id,name,formula,input_rows,result,unit,limitations
AL_cdd_p1,"Alabama average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows AL 1991-2000,1853.8,CDD,Fixed 2020 population weights
AL_cdd_p2,"Alabama average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows AL 2016-2025,2108.6,CDD,2024-2025 values may be revised
AL_cdd_chg,Alabama change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"AL_cdd_p1, AL_cdd_p2",254.8,CDD,"Two 10-year windows, not a trend fit"
AL_cdd_pct,Alabama percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"AL_cdd_p1, AL_cdd_p2",13.7,percent,Large percentages on small bases in cool states
AL_cdd_25n,Alabama 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 152, 154",7.5,percent,Single year
AL_hdd_p1,"Alabama average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows AL 1991-2000,2740.9,HDD,Fixed 2020 population weights
AL_hdd_p2,"Alabama average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows AL 2016-2025,2378.2,HDD,2024-2025 values may be revised
AL_hdd_chg,Alabama change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"AL_hdd_p1, AL_hdd_p2",-362.7,HDD,"Two 10-year windows, not a trend fit"
AL_hdd_pct,Alabama percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"AL_hdd_p1, AL_hdd_p2",-13.2,percent,Large percentages on small bases in cool states
AL_hdd_25n,Alabama 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 153, 155",-6.1,percent,Single year
AL_cdd_26n,Alabama Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 156, 157",17.3,percent,Preliminary
AL_share_p1,"Alabama cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"AL_cdd_p1, AL_hdd_p1",40.3,percent,Degree days are not energy; heating and cooling loads differ per degree
AL_share_p2,"Alabama cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"AL_cdd_p2, AL_hdd_p2",47.0,percent,As above
AL_share_chg,Alabama change in cooling share,share 2016-2025 minus share 1991-2000,"AL_share_p1, AL_share_p2",6.7,percentage points,
AL_total_chg,Alabama change in total degree days (CDD + HDD),CDD change + HDD change,"AL_cdd_chg, AL_hdd_chg",-107.9,degree days,Adds unlike loads
AZ_cdd_p1,"Arizona average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows AZ 1991-2000,2899.1,CDD,Fixed 2020 population weights
AZ_cdd_p2,"Arizona average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows AZ 2016-2025,3267.2,CDD,2024-2025 values may be revised
AZ_cdd_chg,Arizona change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"AZ_cdd_p1, AZ_cdd_p2",368.1,CDD,"Two 10-year windows, not a trend fit"
AZ_cdd_pct,Arizona percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"AZ_cdd_p1, AZ_cdd_p2",12.7,percent,Large percentages on small bases in cool states
AZ_cdd_25n,Arizona 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 161, 163",8.7,percent,Single year
AZ_hdd_p1,"Arizona average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows AZ 1991-2000,2005.2,HDD,Fixed 2020 population weights
AZ_hdd_p2,"Arizona average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows AZ 2016-2025,1807.0,HDD,2024-2025 values may be revised
AZ_hdd_chg,Arizona change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"AZ_hdd_p1, AZ_hdd_p2",-198.2,HDD,"Two 10-year windows, not a trend fit"
AZ_hdd_pct,Arizona percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"AZ_hdd_p1, AZ_hdd_p2",-9.9,percent,Large percentages on small bases in cool states
AZ_hdd_25n,Arizona 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 162, 164",-18.6,percent,Single year
AZ_cdd_26n,Arizona Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 165, 166",22.8,percent,Preliminary
AZ_share_p1,"Arizona cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"AZ_cdd_p1, AZ_hdd_p1",59.1,percent,Degree days are not energy; heating and cooling loads differ per degree
AZ_share_p2,"Arizona cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"AZ_cdd_p2, AZ_hdd_p2",64.4,percent,As above
AZ_share_chg,Arizona change in cooling share,share 2016-2025 minus share 1991-2000,"AZ_share_p1, AZ_share_p2",5.3,percentage points,
AZ_total_chg,Arizona change in total degree days (CDD + HDD),CDD change + HDD change,"AZ_cdd_chg, AZ_hdd_chg",169.9,degree days,Adds unlike loads
AR_cdd_p1,"Arkansas average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows AR 1991-2000,1700.2,CDD,Fixed 2020 population weights
AR_cdd_p2,"Arkansas average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows AR 2016-2025,1882.2,CDD,2024-2025 values may be revised
AR_cdd_chg,Arkansas change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"AR_cdd_p1, AR_cdd_p2",182.0,CDD,"Two 10-year windows, not a trend fit"
AR_cdd_pct,Arkansas percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"AR_cdd_p1, AR_cdd_p2",10.7,percent,Large percentages on small bases in cool states
AR_cdd_25n,Arkansas 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 170, 172",12.9,percent,Single year
AR_hdd_p1,"Arkansas average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows AR 1991-2000,3460.4,HDD,Fixed 2020 population weights
AR_hdd_p2,"Arkansas average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows AR 2016-2025,3148.0,HDD,2024-2025 values may be revised
AR_hdd_chg,Arkansas change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"AR_hdd_p1, AR_hdd_p2",-312.4,HDD,"Two 10-year windows, not a trend fit"
AR_hdd_pct,Arkansas percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"AR_hdd_p1, AR_hdd_p2",-9.0,percent,Large percentages on small bases in cool states
AR_hdd_25n,Arkansas 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 171, 173",-10.2,percent,Single year
AR_cdd_26n,Arkansas Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 174, 175",35.5,percent,Preliminary
AR_share_p1,"Arkansas cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"AR_cdd_p1, AR_hdd_p1",32.9,percent,Degree days are not energy; heating and cooling loads differ per degree
AR_share_p2,"Arkansas cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"AR_cdd_p2, AR_hdd_p2",37.4,percent,As above
AR_share_chg,Arkansas change in cooling share,share 2016-2025 minus share 1991-2000,"AR_share_p1, AR_share_p2",4.5,percentage points,
AR_total_chg,Arkansas change in total degree days (CDD + HDD),CDD change + HDD change,"AR_cdd_chg, AR_hdd_chg",-130.4,degree days,Adds unlike loads
CA_cdd_p1,"California average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows CA 1991-2000,830.5,CDD,Fixed 2020 population weights
CA_cdd_p2,"California average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows CA 2016-2025,1075.0,CDD,2024-2025 values may be revised
CA_cdd_chg,California change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"CA_cdd_p1, CA_cdd_p2",244.5,CDD,"Two 10-year windows, not a trend fit"
CA_cdd_pct,California percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"CA_cdd_p1, CA_cdd_p2",29.4,percent,Large percentages on small bases in cool states
CA_cdd_25n,California 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 179, 181",1.9,percent,Single year
CA_hdd_p1,"California average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows CA 1991-2000,2920.0,HDD,Fixed 2020 population weights
CA_hdd_p2,"California average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows CA 2016-2025,2664.1,HDD,2024-2025 values may be revised
CA_hdd_chg,California change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"CA_hdd_p1, CA_hdd_p2",-255.9,HDD,"Two 10-year windows, not a trend fit"
CA_hdd_pct,California percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"CA_hdd_p1, CA_hdd_p2",-8.8,percent,Large percentages on small bases in cool states
CA_hdd_25n,California 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 180, 182",-10.5,percent,Single year
CA_cdd_26n,California Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 183, 184",27.3,percent,Preliminary
CA_share_p1,"California cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"CA_cdd_p1, CA_hdd_p1",22.1,percent,Degree days are not energy; heating and cooling loads differ per degree
CA_share_p2,"California cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"CA_cdd_p2, CA_hdd_p2",28.8,percent,As above
CA_share_chg,California change in cooling share,share 2016-2025 minus share 1991-2000,"CA_share_p1, CA_share_p2",6.7,percentage points,
CA_total_chg,California change in total degree days (CDD + HDD),CDD change + HDD change,"CA_cdd_chg, CA_hdd_chg",-11.4,degree days,Adds unlike loads
CO_cdd_p1,"Colorado average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows CO 1991-2000,272.1,CDD,Fixed 2020 population weights
CO_cdd_p2,"Colorado average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows CO 2016-2025,384.2,CDD,2024-2025 values may be revised
CO_cdd_chg,Colorado change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"CO_cdd_p1, CO_cdd_p2",112.1,CDD,"Two 10-year windows, not a trend fit"
CO_cdd_pct,Colorado percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"CO_cdd_p1, CO_cdd_p2",41.2,percent,Large percentages on small bases in cool states
CO_cdd_25n,Colorado 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 188, 190",6.1,percent,Single year
CO_hdd_p1,"Colorado average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows CO 1991-2000,7146.6,HDD,Fixed 2020 population weights
CO_hdd_p2,"Colorado average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows CO 2016-2025,6865.3,HDD,2024-2025 values may be revised
CO_hdd_chg,Colorado change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"CO_hdd_p1, CO_hdd_p2",-281.3,HDD,"Two 10-year windows, not a trend fit"
CO_hdd_pct,Colorado percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"CO_hdd_p1, CO_hdd_p2",-3.9,percent,Large percentages on small bases in cool states
CO_hdd_25n,Colorado 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 189, 191",-7.1,percent,Single year
CO_cdd_26n,Colorado Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 192, 193",72.9,percent,Preliminary
CO_share_p1,"Colorado cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"CO_cdd_p1, CO_hdd_p1",3.7,percent,Degree days are not energy; heating and cooling loads differ per degree
CO_share_p2,"Colorado cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"CO_cdd_p2, CO_hdd_p2",5.3,percent,As above
CO_share_chg,Colorado change in cooling share,share 2016-2025 minus share 1991-2000,"CO_share_p1, CO_share_p2",1.6,percentage points,
CO_total_chg,Colorado change in total degree days (CDD + HDD),CDD change + HDD change,"CO_cdd_chg, CO_hdd_chg",-169.2,degree days,Adds unlike loads
CT_cdd_p1,"Connecticut average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows CT 1991-2000,530.8,CDD,Fixed 2020 population weights
CT_cdd_p2,"Connecticut average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows CT 2016-2025,716.9,CDD,2024-2025 values may be revised
CT_cdd_chg,Connecticut change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"CT_cdd_p1, CT_cdd_p2",186.1,CDD,"Two 10-year windows, not a trend fit"
CT_cdd_pct,Connecticut percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"CT_cdd_p1, CT_cdd_p2",35.1,percent,Large percentages on small bases in cool states
CT_cdd_25n,Connecticut 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 197, 199",14.7,percent,Single year
CT_hdd_p1,"Connecticut average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows CT 1991-2000,5987.9,HDD,Fixed 2020 population weights
CT_hdd_p2,"Connecticut average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows CT 2016-2025,5488.5,HDD,2024-2025 values may be revised
CT_hdd_chg,Connecticut change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"CT_hdd_p1, CT_hdd_p2",-499.4,HDD,"Two 10-year windows, not a trend fit"
CT_hdd_pct,Connecticut percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"CT_hdd_p1, CT_hdd_p2",-8.3,percent,Large percentages on small bases in cool states
CT_hdd_25n,Connecticut 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 198, 200",-1.4,percent,Single year
CT_cdd_26n,Connecticut Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 201, 202",6.0,percent,Preliminary
CT_share_p1,"Connecticut cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"CT_cdd_p1, CT_hdd_p1",8.1,percent,Degree days are not energy; heating and cooling loads differ per degree
CT_share_p2,"Connecticut cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"CT_cdd_p2, CT_hdd_p2",11.6,percent,As above
CT_share_chg,Connecticut change in cooling share,share 2016-2025 minus share 1991-2000,"CT_share_p1, CT_share_p2",3.5,percentage points,
CT_total_chg,Connecticut change in total degree days (CDD + HDD),CDD change + HDD change,"CT_cdd_chg, CT_hdd_chg",-313.3,degree days,Adds unlike loads
DE_cdd_p1,"Delaware average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows DE 1991-2000,1003.0,CDD,Fixed 2020 population weights
DE_cdd_p2,"Delaware average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows DE 2016-2025,1254.8,CDD,2024-2025 values may be revised
DE_cdd_chg,Delaware change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"DE_cdd_p1, DE_cdd_p2",251.8,CDD,"Two 10-year windows, not a trend fit"
DE_cdd_pct,Delaware percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"DE_cdd_p1, DE_cdd_p2",25.1,percent,Large percentages on small bases in cool states
DE_cdd_25n,Delaware 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 206, 208",2.7,percent,Single year
DE_hdd_p1,"Delaware average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows DE 1991-2000,4638.6,HDD,Fixed 2020 population weights
DE_hdd_p2,"Delaware average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows DE 2016-2025,4216.0,HDD,2024-2025 values may be revised
DE_hdd_chg,Delaware change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"DE_hdd_p1, DE_hdd_p2",-422.6,HDD,"Two 10-year windows, not a trend fit"
DE_hdd_pct,Delaware percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"DE_hdd_p1, DE_hdd_p2",-9.1,percent,Large percentages on small bases in cool states
DE_hdd_25n,Delaware 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 207, 209",1.5,percent,Single year
DE_cdd_26n,Delaware Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 210, 211",16.1,percent,Preliminary
DE_share_p1,"Delaware cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"DE_cdd_p1, DE_hdd_p1",17.8,percent,Degree days are not energy; heating and cooling loads differ per degree
DE_share_p2,"Delaware cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"DE_cdd_p2, DE_hdd_p2",22.9,percent,As above
DE_share_chg,Delaware change in cooling share,share 2016-2025 minus share 1991-2000,"DE_share_p1, DE_share_p2",5.1,percentage points,
DE_total_chg,Delaware change in total degree days (CDD + HDD),CDD change + HDD change,"DE_cdd_chg, DE_hdd_chg",-170.8,degree days,Adds unlike loads
FL_cdd_p1,"Florida average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows FL 1991-2000,3448.0,CDD,Fixed 2020 population weights
FL_cdd_p2,"Florida average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows FL 2016-2025,3926.0,CDD,2024-2025 values may be revised
FL_cdd_chg,Florida change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"FL_cdd_p1, FL_cdd_p2",478.0,CDD,"Two 10-year windows, not a trend fit"
FL_cdd_pct,Florida percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"FL_cdd_p1, FL_cdd_p2",13.9,percent,Large percentages on small bases in cool states
FL_cdd_25n,Florida 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 215, 217",8.4,percent,Single year
FL_hdd_p1,"Florida average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows FL 1991-2000,658.0,HDD,Fixed 2020 population weights
FL_hdd_p2,"Florida average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows FL 2016-2025,522.1,HDD,2024-2025 values may be revised
FL_hdd_chg,Florida change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"FL_hdd_p1, FL_hdd_p2",-135.9,HDD,"Two 10-year windows, not a trend fit"
FL_hdd_pct,Florida percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"FL_hdd_p1, FL_hdd_p2",-20.7,percent,Large percentages on small bases in cool states
FL_hdd_25n,Florida 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 216, 218",-4.8,percent,Single year
FL_cdd_26n,Florida Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 219, 220",11.0,percent,Preliminary
FL_share_p1,"Florida cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"FL_cdd_p1, FL_hdd_p1",84.0,percent,Degree days are not energy; heating and cooling loads differ per degree
FL_share_p2,"Florida cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"FL_cdd_p2, FL_hdd_p2",88.3,percent,As above
FL_share_chg,Florida change in cooling share,share 2016-2025 minus share 1991-2000,"FL_share_p1, FL_share_p2",4.3,percentage points,
FL_total_chg,Florida change in total degree days (CDD + HDD),CDD change + HDD change,"FL_cdd_chg, FL_hdd_chg",342.1,degree days,Adds unlike loads
GA_cdd_p1,"Georgia average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows GA 1991-2000,1624.2,CDD,Fixed 2020 population weights
GA_cdd_p2,"Georgia average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows GA 2016-2025,1872.4,CDD,2024-2025 values may be revised
GA_cdd_chg,Georgia change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"GA_cdd_p1, GA_cdd_p2",248.2,CDD,"Two 10-year windows, not a trend fit"
GA_cdd_pct,Georgia percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"GA_cdd_p1, GA_cdd_p2",15.3,percent,Large percentages on small bases in cool states
GA_cdd_25n,Georgia 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 224, 226",6.1,percent,Single year
GA_hdd_p1,"Georgia average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows GA 1991-2000,2908.1,HDD,Fixed 2020 population weights
GA_hdd_p2,"Georgia average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows GA 2016-2025,2495.8,HDD,2024-2025 values may be revised
GA_hdd_chg,Georgia change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"GA_hdd_p1, GA_hdd_p2",-412.3,HDD,"Two 10-year windows, not a trend fit"
GA_hdd_pct,Georgia percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"GA_hdd_p1, GA_hdd_p2",-14.2,percent,Large percentages on small bases in cool states
GA_hdd_25n,Georgia 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 225, 227",-6.4,percent,Single year
GA_cdd_26n,Georgia Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 228, 229",17.1,percent,Preliminary
GA_share_p1,"Georgia cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"GA_cdd_p1, GA_hdd_p1",35.8,percent,Degree days are not energy; heating and cooling loads differ per degree
GA_share_p2,"Georgia cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"GA_cdd_p2, GA_hdd_p2",42.9,percent,As above
GA_share_chg,Georgia change in cooling share,share 2016-2025 minus share 1991-2000,"GA_share_p1, GA_share_p2",7.1,percentage points,
GA_total_chg,Georgia change in total degree days (CDD + HDD),CDD change + HDD change,"GA_cdd_chg, GA_hdd_chg",-164.1,degree days,Adds unlike loads
ID_cdd_p1,"Idaho average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows ID 1991-2000,422.6,CDD,Fixed 2020 population weights
ID_cdd_p2,"Idaho average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows ID 2016-2025,582.2,CDD,2024-2025 values may be revised
ID_cdd_chg,Idaho change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"ID_cdd_p1, ID_cdd_p2",159.6,CDD,"Two 10-year windows, not a trend fit"
ID_cdd_pct,Idaho percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"ID_cdd_p1, ID_cdd_p2",37.8,percent,Large percentages on small bases in cool states
ID_cdd_25n,Idaho 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 233, 235",28.5,percent,Single year
ID_hdd_p1,"Idaho average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows ID 1991-2000,6936.5,HDD,Fixed 2020 population weights
ID_hdd_p2,"Idaho average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows ID 2016-2025,6720.5,HDD,2024-2025 values may be revised
ID_hdd_chg,Idaho change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"ID_hdd_p1, ID_hdd_p2",-216.0,HDD,"Two 10-year windows, not a trend fit"
ID_hdd_pct,Idaho percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"ID_hdd_p1, ID_hdd_p2",-3.1,percent,Large percentages on small bases in cool states
ID_hdd_25n,Idaho 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 234, 236",-9.3,percent,Single year
ID_cdd_26n,Idaho Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 237, 238",34.0,percent,Preliminary
ID_share_p1,"Idaho cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"ID_cdd_p1, ID_hdd_p1",5.7,percent,Degree days are not energy; heating and cooling loads differ per degree
ID_share_p2,"Idaho cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"ID_cdd_p2, ID_hdd_p2",8.0,percent,As above
ID_share_chg,Idaho change in cooling share,share 2016-2025 minus share 1991-2000,"ID_share_p1, ID_share_p2",2.3,percentage points,
ID_total_chg,Idaho change in total degree days (CDD + HDD),CDD change + HDD change,"ID_cdd_chg, ID_hdd_chg",-56.4,degree days,Adds unlike loads
IL_cdd_p1,"Illinois average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows IL 1991-2000,836.5,CDD,Fixed 2020 population weights
IL_cdd_p2,"Illinois average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows IL 2016-2025,984.7,CDD,2024-2025 values may be revised
IL_cdd_chg,Illinois change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"IL_cdd_p1, IL_cdd_p2",148.2,CDD,"Two 10-year windows, not a trend fit"
IL_cdd_pct,Illinois percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"IL_cdd_p1, IL_cdd_p2",17.7,percent,Large percentages on small bases in cool states
IL_cdd_25n,Illinois 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 242, 244",16.9,percent,Single year
IL_hdd_p1,"Illinois average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows IL 1991-2000,6194.5,HDD,Fixed 2020 population weights
IL_hdd_p2,"Illinois average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows IL 2016-2025,5802.3,HDD,2024-2025 values may be revised
IL_hdd_chg,Illinois change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"IL_hdd_p1, IL_hdd_p2",-392.2,HDD,"Two 10-year windows, not a trend fit"
IL_hdd_pct,Illinois percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"IL_hdd_p1, IL_hdd_p2",-6.3,percent,Large percentages on small bases in cool states
IL_hdd_25n,Illinois 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 243, 245",-3.4,percent,Single year
IL_cdd_26n,Illinois Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 246, 247",14.9,percent,Preliminary
IL_share_p1,"Illinois cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"IL_cdd_p1, IL_hdd_p1",11.9,percent,Degree days are not energy; heating and cooling loads differ per degree
IL_share_p2,"Illinois cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"IL_cdd_p2, IL_hdd_p2",14.5,percent,As above
IL_share_chg,Illinois change in cooling share,share 2016-2025 minus share 1991-2000,"IL_share_p1, IL_share_p2",2.6,percentage points,
IL_total_chg,Illinois change in total degree days (CDD + HDD),CDD change + HDD change,"IL_cdd_chg, IL_hdd_chg",-244.0,degree days,Adds unlike loads
IN_cdd_p1,"Indiana average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows IN 1991-2000,854.8,CDD,Fixed 2020 population weights
IN_cdd_p2,"Indiana average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows IN 2016-2025,997.2,CDD,2024-2025 values may be revised
IN_cdd_chg,Indiana change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"IN_cdd_p1, IN_cdd_p2",142.4,CDD,"Two 10-year windows, not a trend fit"
IN_cdd_pct,Indiana percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"IN_cdd_p1, IN_cdd_p2",16.7,percent,Large percentages on small bases in cool states
IN_cdd_25n,Indiana 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 251, 253",14.1,percent,Single year
IN_hdd_p1,"Indiana average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows IN 1991-2000,5736.8,HDD,Fixed 2020 population weights
IN_hdd_p2,"Indiana average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows IN 2016-2025,5308.4,HDD,2024-2025 values may be revised
IN_hdd_chg,Indiana change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"IN_hdd_p1, IN_hdd_p2",-428.4,HDD,"Two 10-year windows, not a trend fit"
IN_hdd_pct,Indiana percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"IN_hdd_p1, IN_hdd_p2",-7.5,percent,Large percentages on small bases in cool states
IN_hdd_25n,Indiana 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 252, 254",-0.7,percent,Single year
IN_cdd_26n,Indiana Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 255, 256",14.2,percent,Preliminary
IN_share_p1,"Indiana cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"IN_cdd_p1, IN_hdd_p1",13.0,percent,Degree days are not energy; heating and cooling loads differ per degree
IN_share_p2,"Indiana cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"IN_cdd_p2, IN_hdd_p2",15.8,percent,As above
IN_share_chg,Indiana change in cooling share,share 2016-2025 minus share 1991-2000,"IN_share_p1, IN_share_p2",2.8,percentage points,
IN_total_chg,Indiana change in total degree days (CDD + HDD),CDD change + HDD change,"IN_cdd_chg, IN_hdd_chg",-286.0,degree days,Adds unlike loads
IA_cdd_p1,"Iowa average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows IA 1991-2000,752.7,CDD,Fixed 2020 population weights
IA_cdd_p2,"Iowa average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows IA 2016-2025,909.7,CDD,2024-2025 values may be revised
IA_cdd_chg,Iowa change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"IA_cdd_p1, IA_cdd_p2",157.0,CDD,"Two 10-year windows, not a trend fit"
IA_cdd_pct,Iowa percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"IA_cdd_p1, IA_cdd_p2",20.9,percent,Large percentages on small bases in cool states
IA_cdd_25n,Iowa 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 260, 262",17.8,percent,Single year
IA_hdd_p1,"Iowa average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows IA 1991-2000,6931.9,HDD,Fixed 2020 population weights
IA_hdd_p2,"Iowa average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows IA 2016-2025,6532.8,HDD,2024-2025 values may be revised
IA_hdd_chg,Iowa change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"IA_hdd_p1, IA_hdd_p2",-399.1,HDD,"Two 10-year windows, not a trend fit"
IA_hdd_pct,Iowa percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"IA_hdd_p1, IA_hdd_p2",-5.8,percent,Large percentages on small bases in cool states
IA_hdd_25n,Iowa 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 261, 263",-5.5,percent,Single year
IA_cdd_26n,Iowa Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 264, 265",21.5,percent,Preliminary
IA_share_p1,"Iowa cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"IA_cdd_p1, IA_hdd_p1",9.8,percent,Degree days are not energy; heating and cooling loads differ per degree
IA_share_p2,"Iowa cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"IA_cdd_p2, IA_hdd_p2",12.2,percent,As above
IA_share_chg,Iowa change in cooling share,share 2016-2025 minus share 1991-2000,"IA_share_p1, IA_share_p2",2.4,percentage points,
IA_total_chg,Iowa change in total degree days (CDD + HDD),CDD change + HDD change,"IA_cdd_chg, IA_hdd_chg",-242.1,degree days,Adds unlike loads
KS_cdd_p1,"Kansas average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows KS 1991-2000,1373.4,CDD,Fixed 2020 population weights
KS_cdd_p2,"Kansas average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows KS 2016-2025,1558.8,CDD,2024-2025 values may be revised
KS_cdd_chg,Kansas change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"KS_cdd_p1, KS_cdd_p2",185.4,CDD,"Two 10-year windows, not a trend fit"
KS_cdd_pct,Kansas percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"KS_cdd_p1, KS_cdd_p2",13.5,percent,Large percentages on small bases in cool states
KS_cdd_25n,Kansas 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 269, 271",2.1,percent,Single year
KS_hdd_p1,"Kansas average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows KS 1991-2000,4979.3,HDD,Fixed 2020 population weights
KS_hdd_p2,"Kansas average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows KS 2016-2025,4636.1,HDD,2024-2025 values may be revised
KS_hdd_chg,Kansas change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"KS_hdd_p1, KS_hdd_p2",-343.2,HDD,"Two 10-year windows, not a trend fit"
KS_hdd_pct,Kansas percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"KS_hdd_p1, KS_hdd_p2",-6.9,percent,Large percentages on small bases in cool states
KS_hdd_25n,Kansas 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 270, 272",-5.4,percent,Single year
KS_cdd_26n,Kansas Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 273, 274",30.4,percent,Preliminary
KS_share_p1,"Kansas cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"KS_cdd_p1, KS_hdd_p1",21.6,percent,Degree days are not energy; heating and cooling loads differ per degree
KS_share_p2,"Kansas cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"KS_cdd_p2, KS_hdd_p2",25.2,percent,As above
KS_share_chg,Kansas change in cooling share,share 2016-2025 minus share 1991-2000,"KS_share_p1, KS_share_p2",3.6,percentage points,
KS_total_chg,Kansas change in total degree days (CDD + HDD),CDD change + HDD change,"KS_cdd_chg, KS_hdd_chg",-157.8,degree days,Adds unlike loads
KY_cdd_p1,"Kentucky average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows KY 1991-2000,1147.6,CDD,Fixed 2020 population weights
KY_cdd_p2,"Kentucky average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows KY 2016-2025,1338.3,CDD,2024-2025 values may be revised
KY_cdd_chg,Kentucky change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"KY_cdd_p1, KY_cdd_p2",190.7,CDD,"Two 10-year windows, not a trend fit"
KY_cdd_pct,Kentucky percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"KY_cdd_p1, KY_cdd_p2",16.6,percent,Large percentages on small bases in cool states
KY_cdd_25n,Kentucky 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 278, 280",14.1,percent,Single year
KY_hdd_p1,"Kentucky average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows KY 1991-2000,4507.4,HDD,Fixed 2020 population weights
KY_hdd_p2,"Kentucky average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows KY 2016-2025,4086.5,HDD,2024-2025 values may be revised
KY_hdd_chg,Kentucky change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"KY_hdd_p1, KY_hdd_p2",-420.9,HDD,"Two 10-year windows, not a trend fit"
KY_hdd_pct,Kentucky percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"KY_hdd_p1, KY_hdd_p2",-9.3,percent,Large percentages on small bases in cool states
KY_hdd_25n,Kentucky 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 279, 281",-2.9,percent,Single year
KY_cdd_26n,Kentucky Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 282, 283",23.6,percent,Preliminary
KY_share_p1,"Kentucky cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"KY_cdd_p1, KY_hdd_p1",20.3,percent,Degree days are not energy; heating and cooling loads differ per degree
KY_share_p2,"Kentucky cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"KY_cdd_p2, KY_hdd_p2",24.7,percent,As above
KY_share_chg,Kentucky change in cooling share,share 2016-2025 minus share 1991-2000,"KY_share_p1, KY_share_p2",4.4,percentage points,
KY_total_chg,Kentucky change in total degree days (CDD + HDD),CDD change + HDD change,"KY_cdd_chg, KY_hdd_chg",-230.2,degree days,Adds unlike loads
LA_cdd_p1,"Louisiana average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows LA 1991-2000,2589.4,CDD,Fixed 2020 population weights
LA_cdd_p2,"Louisiana average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows LA 2016-2025,2941.2,CDD,2024-2025 values may be revised
LA_cdd_chg,Louisiana change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"LA_cdd_p1, LA_cdd_p2",351.8,CDD,"Two 10-year windows, not a trend fit"
LA_cdd_pct,Louisiana percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"LA_cdd_p1, LA_cdd_p2",13.6,percent,Large percentages on small bases in cool states
LA_cdd_25n,Louisiana 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 287, 289",12.5,percent,Single year
LA_hdd_p1,"Louisiana average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows LA 1991-2000,1698.9,HDD,Fixed 2020 population weights
LA_hdd_p2,"Louisiana average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows LA 2016-2025,1434.0,HDD,2024-2025 values may be revised
LA_hdd_chg,Louisiana change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"LA_hdd_p1, LA_hdd_p2",-264.9,HDD,"Two 10-year windows, not a trend fit"
LA_hdd_pct,Louisiana percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"LA_hdd_p1, LA_hdd_p2",-15.6,percent,Large percentages on small bases in cool states
LA_hdd_25n,Louisiana 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 288, 290",-12.7,percent,Single year
LA_cdd_26n,Louisiana Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 291, 292",16.7,percent,Preliminary
LA_share_p1,"Louisiana cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"LA_cdd_p1, LA_hdd_p1",60.4,percent,Degree days are not energy; heating and cooling loads differ per degree
LA_share_p2,"Louisiana cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"LA_cdd_p2, LA_hdd_p2",67.2,percent,As above
LA_share_chg,Louisiana change in cooling share,share 2016-2025 minus share 1991-2000,"LA_share_p1, LA_share_p2",6.8,percentage points,
LA_total_chg,Louisiana change in total degree days (CDD + HDD),CDD change + HDD change,"LA_cdd_chg, LA_hdd_chg",86.9,degree days,Adds unlike loads
ME_cdd_p1,"Maine average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows ME 1991-2000,211.0,CDD,Fixed 2020 population weights
ME_cdd_p2,"Maine average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows ME 2016-2025,298.0,CDD,2024-2025 values may be revised
ME_cdd_chg,Maine change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"ME_cdd_p1, ME_cdd_p2",87.0,CDD,"Two 10-year windows, not a trend fit"
ME_cdd_pct,Maine percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"ME_cdd_p1, ME_cdd_p2",41.2,percent,Large percentages on small bases in cool states
ME_cdd_25n,Maine 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 296, 298",18.0,percent,Single year
ME_hdd_p1,"Maine average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows ME 1991-2000,7927.3,HDD,Fixed 2020 population weights
ME_hdd_p2,"Maine average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows ME 2016-2025,7351.4,HDD,2024-2025 values may be revised
ME_hdd_chg,Maine change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"ME_hdd_p1, ME_hdd_p2",-575.9,HDD,"Two 10-year windows, not a trend fit"
ME_hdd_pct,Maine percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"ME_hdd_p1, ME_hdd_p2",-7.3,percent,Large percentages on small bases in cool states
ME_hdd_25n,Maine 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 297, 299",-1.3,percent,Single year
ME_cdd_26n,Maine Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 300, 301",31.0,percent,Preliminary
ME_share_p1,"Maine cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"ME_cdd_p1, ME_hdd_p1",2.6,percent,Degree days are not energy; heating and cooling loads differ per degree
ME_share_p2,"Maine cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"ME_cdd_p2, ME_hdd_p2",3.9,percent,As above
ME_share_chg,Maine change in cooling share,share 2016-2025 minus share 1991-2000,"ME_share_p1, ME_share_p2",1.3,percentage points,
ME_total_chg,Maine change in total degree days (CDD + HDD),CDD change + HDD change,"ME_cdd_chg, ME_hdd_chg",-488.9,degree days,Adds unlike loads
MD_cdd_p1,"Maryland average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MD 1991-2000,1031.2,CDD,Fixed 2020 population weights
MD_cdd_p2,"Maryland average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MD 2016-2025,1259.1,CDD,2024-2025 values may be revised
MD_cdd_chg,Maryland change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MD_cdd_p1, MD_cdd_p2",227.9,CDD,"Two 10-year windows, not a trend fit"
MD_cdd_pct,Maryland percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MD_cdd_p1, MD_cdd_p2",22.1,percent,Large percentages on small bases in cool states
MD_cdd_25n,Maryland 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 305, 307",6.1,percent,Single year
MD_hdd_p1,"Maryland average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MD 1991-2000,4698.7,HDD,Fixed 2020 population weights
MD_hdd_p2,"Maryland average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MD 2016-2025,4252.9,HDD,2024-2025 values may be revised
MD_hdd_chg,Maryland change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MD_hdd_p1, MD_hdd_p2",-445.8,HDD,"Two 10-year windows, not a trend fit"
MD_hdd_pct,Maryland percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MD_hdd_p1, MD_hdd_p2",-9.5,percent,Large percentages on small bases in cool states
MD_hdd_25n,Maryland 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 306, 308",-1.0,percent,Single year
MD_cdd_26n,Maryland Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 309, 310",12.8,percent,Preliminary
MD_share_p1,"Maryland cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MD_cdd_p1, MD_hdd_p1",18.0,percent,Degree days are not energy; heating and cooling loads differ per degree
MD_share_p2,"Maryland cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MD_cdd_p2, MD_hdd_p2",22.8,percent,As above
MD_share_chg,Maryland change in cooling share,share 2016-2025 minus share 1991-2000,"MD_share_p1, MD_share_p2",4.8,percentage points,
MD_total_chg,Maryland change in total degree days (CDD + HDD),CDD change + HDD change,"MD_cdd_chg, MD_hdd_chg",-217.9,degree days,Adds unlike loads
MA_cdd_p1,"Massachusetts average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MA 1991-2000,440.6,CDD,Fixed 2020 population weights
MA_cdd_p2,"Massachusetts average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MA 2016-2025,633.4,CDD,2024-2025 values may be revised
MA_cdd_chg,Massachusetts change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MA_cdd_p1, MA_cdd_p2",192.8,CDD,"Two 10-year windows, not a trend fit"
MA_cdd_pct,Massachusetts percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MA_cdd_p1, MA_cdd_p2",43.8,percent,Large percentages on small bases in cool states
MA_cdd_25n,Massachusetts 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 314, 316",13.5,percent,Single year
MA_hdd_p1,"Massachusetts average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MA 1991-2000,6290.8,HDD,Fixed 2020 population weights
MA_hdd_p2,"Massachusetts average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MA 2016-2025,5736.9,HDD,2024-2025 values may be revised
MA_hdd_chg,Massachusetts change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MA_hdd_p1, MA_hdd_p2",-553.9,HDD,"Two 10-year windows, not a trend fit"
MA_hdd_pct,Massachusetts percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MA_hdd_p1, MA_hdd_p2",-8.8,percent,Large percentages on small bases in cool states
MA_hdd_25n,Massachusetts 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 315, 317",-1.3,percent,Single year
MA_cdd_26n,Massachusetts Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 318, 319",14.9,percent,Preliminary
MA_share_p1,"Massachusetts cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MA_cdd_p1, MA_hdd_p1",6.5,percent,Degree days are not energy; heating and cooling loads differ per degree
MA_share_p2,"Massachusetts cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MA_cdd_p2, MA_hdd_p2",9.9,percent,As above
MA_share_chg,Massachusetts change in cooling share,share 2016-2025 minus share 1991-2000,"MA_share_p1, MA_share_p2",3.4,percentage points,
MA_total_chg,Massachusetts change in total degree days (CDD + HDD),CDD change + HDD change,"MA_cdd_chg, MA_hdd_chg",-361.1,degree days,Adds unlike loads
MI_cdd_p1,"Michigan average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MI 1991-2000,511.2,CDD,Fixed 2020 population weights
MI_cdd_p2,"Michigan average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MI 2016-2025,679.0,CDD,2024-2025 values may be revised
MI_cdd_chg,Michigan change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MI_cdd_p1, MI_cdd_p2",167.8,CDD,"Two 10-year windows, not a trend fit"
MI_cdd_pct,Michigan percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MI_cdd_p1, MI_cdd_p2",32.8,percent,Large percentages on small bases in cool states
MI_cdd_25n,Michigan 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 323, 325",15.5,percent,Single year
MI_hdd_p1,"Michigan average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MI 1991-2000,6915.2,HDD,Fixed 2020 population weights
MI_hdd_p2,"Michigan average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MI 2016-2025,6332.2,HDD,2024-2025 values may be revised
MI_hdd_chg,Michigan change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MI_hdd_p1, MI_hdd_p2",-583.0,HDD,"Two 10-year windows, not a trend fit"
MI_hdd_pct,Michigan percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MI_hdd_p1, MI_hdd_p2",-8.4,percent,Large percentages on small bases in cool states
MI_hdd_25n,Michigan 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 324, 326",-1.6,percent,Single year
MI_cdd_26n,Michigan Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 327, 328",15.3,percent,Preliminary
MI_share_p1,"Michigan cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MI_cdd_p1, MI_hdd_p1",6.9,percent,Degree days are not energy; heating and cooling loads differ per degree
MI_share_p2,"Michigan cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MI_cdd_p2, MI_hdd_p2",9.7,percent,As above
MI_share_chg,Michigan change in cooling share,share 2016-2025 minus share 1991-2000,"MI_share_p1, MI_share_p2",2.8,percentage points,
MI_total_chg,Michigan change in total degree days (CDD + HDD),CDD change + HDD change,"MI_cdd_chg, MI_hdd_chg",-415.2,degree days,Adds unlike loads
MN_cdd_p1,"Minnesota average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MN 1991-2000,403.6,CDD,Fixed 2020 population weights
MN_cdd_p2,"Minnesota average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MN 2016-2025,524.0,CDD,2024-2025 values may be revised
MN_cdd_chg,Minnesota change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MN_cdd_p1, MN_cdd_p2",120.4,CDD,"Two 10-year windows, not a trend fit"
MN_cdd_pct,Minnesota percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MN_cdd_p1, MN_cdd_p2",29.8,percent,Large percentages on small bases in cool states
MN_cdd_25n,Minnesota 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 332, 334",14.7,percent,Single year
MN_hdd_p1,"Minnesota average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MN 1991-2000,8681.6,HDD,Fixed 2020 population weights
MN_hdd_p2,"Minnesota average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MN 2016-2025,8250.8,HDD,2024-2025 values may be revised
MN_hdd_chg,Minnesota change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MN_hdd_p1, MN_hdd_p2",-430.8,HDD,"Two 10-year windows, not a trend fit"
MN_hdd_pct,Minnesota percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MN_hdd_p1, MN_hdd_p2",-5.0,percent,Large percentages on small bases in cool states
MN_hdd_25n,Minnesota 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 333, 335",-4.5,percent,Single year
MN_cdd_26n,Minnesota Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 336, 337",32.3,percent,Preliminary
MN_share_p1,"Minnesota cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MN_cdd_p1, MN_hdd_p1",4.4,percent,Degree days are not energy; heating and cooling loads differ per degree
MN_share_p2,"Minnesota cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MN_cdd_p2, MN_hdd_p2",6.0,percent,As above
MN_share_chg,Minnesota change in cooling share,share 2016-2025 minus share 1991-2000,"MN_share_p1, MN_share_p2",1.6,percentage points,
MN_total_chg,Minnesota change in total degree days (CDD + HDD),CDD change + HDD change,"MN_cdd_chg, MN_hdd_chg",-310.4,degree days,Adds unlike loads
MS_cdd_p1,"Mississippi average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MS 1991-2000,2098.6,CDD,Fixed 2020 population weights
MS_cdd_p2,"Mississippi average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MS 2016-2025,2397.8,CDD,2024-2025 values may be revised
MS_cdd_chg,Mississippi change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MS_cdd_p1, MS_cdd_p2",299.2,CDD,"Two 10-year windows, not a trend fit"
MS_cdd_pct,Mississippi percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MS_cdd_p1, MS_cdd_p2",14.3,percent,Large percentages on small bases in cool states
MS_cdd_25n,Mississippi 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 341, 343",15.1,percent,Single year
MS_hdd_p1,"Mississippi average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MS 1991-2000,2444.5,HDD,Fixed 2020 population weights
MS_hdd_p2,"Mississippi average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MS 2016-2025,2105.3,HDD,2024-2025 values may be revised
MS_hdd_chg,Mississippi change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MS_hdd_p1, MS_hdd_p2",-339.2,HDD,"Two 10-year windows, not a trend fit"
MS_hdd_pct,Mississippi percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MS_hdd_p1, MS_hdd_p2",-13.9,percent,Large percentages on small bases in cool states
MS_hdd_25n,Mississippi 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 342, 344",-11.9,percent,Single year
MS_cdd_26n,Mississippi Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 345, 346",23.7,percent,Preliminary
MS_share_p1,"Mississippi cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MS_cdd_p1, MS_hdd_p1",46.2,percent,Degree days are not energy; heating and cooling loads differ per degree
MS_share_p2,"Mississippi cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MS_cdd_p2, MS_hdd_p2",53.2,percent,As above
MS_share_chg,Mississippi change in cooling share,share 2016-2025 minus share 1991-2000,"MS_share_p1, MS_share_p2",7.0,percentage points,
MS_total_chg,Mississippi change in total degree days (CDD + HDD),CDD change + HDD change,"MS_cdd_chg, MS_hdd_chg",-40.0,degree days,Adds unlike loads
MO_cdd_p1,"Missouri average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MO 1991-2000,1186.7,CDD,Fixed 2020 population weights
MO_cdd_p2,"Missouri average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MO 2016-2025,1384.2,CDD,2024-2025 values may be revised
MO_cdd_chg,Missouri change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MO_cdd_p1, MO_cdd_p2",197.5,CDD,"Two 10-year windows, not a trend fit"
MO_cdd_pct,Missouri percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MO_cdd_p1, MO_cdd_p2",16.6,percent,Large percentages on small bases in cool states
MO_cdd_25n,Missouri 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 350, 352",11.7,percent,Single year
MO_hdd_p1,"Missouri average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MO 1991-2000,5077.9,HDD,Fixed 2020 population weights
MO_hdd_p2,"Missouri average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MO 2016-2025,4694.3,HDD,2024-2025 values may be revised
MO_hdd_chg,Missouri change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MO_hdd_p1, MO_hdd_p2",-383.6,HDD,"Two 10-year windows, not a trend fit"
MO_hdd_pct,Missouri percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MO_hdd_p1, MO_hdd_p2",-7.6,percent,Large percentages on small bases in cool states
MO_hdd_25n,Missouri 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 351, 353",-6.0,percent,Single year
MO_cdd_26n,Missouri Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 354, 355",29.7,percent,Preliminary
MO_share_p1,"Missouri cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MO_cdd_p1, MO_hdd_p1",18.9,percent,Degree days are not energy; heating and cooling loads differ per degree
MO_share_p2,"Missouri cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MO_cdd_p2, MO_hdd_p2",22.8,percent,As above
MO_share_chg,Missouri change in cooling share,share 2016-2025 minus share 1991-2000,"MO_share_p1, MO_share_p2",3.9,percentage points,
MO_total_chg,Missouri change in total degree days (CDD + HDD),CDD change + HDD change,"MO_cdd_chg, MO_hdd_chg",-186.1,degree days,Adds unlike loads
MT_cdd_p1,"Montana average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows MT 1991-2000,168.0,CDD,Fixed 2020 population weights
MT_cdd_p2,"Montana average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows MT 2016-2025,236.3,CDD,2024-2025 values may be revised
MT_cdd_chg,Montana change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"MT_cdd_p1, MT_cdd_p2",68.3,CDD,"Two 10-year windows, not a trend fit"
MT_cdd_pct,Montana percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MT_cdd_p1, MT_cdd_p2",40.7,percent,Large percentages on small bases in cool states
MT_cdd_25n,Montana 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 359, 361",21.5,percent,Single year
MT_hdd_p1,"Montana average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows MT 1991-2000,8678.8,HDD,Fixed 2020 population weights
MT_hdd_p2,"Montana average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows MT 2016-2025,8392.5,HDD,2024-2025 values may be revised
MT_hdd_chg,Montana change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"MT_hdd_p1, MT_hdd_p2",-286.3,HDD,"Two 10-year windows, not a trend fit"
MT_hdd_pct,Montana percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"MT_hdd_p1, MT_hdd_p2",-3.3,percent,Large percentages on small bases in cool states
MT_hdd_25n,Montana 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 360, 362",-6.3,percent,Single year
MT_cdd_26n,Montana Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 363, 364",48.7,percent,Preliminary
MT_share_p1,"Montana cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"MT_cdd_p1, MT_hdd_p1",1.9,percent,Degree days are not energy; heating and cooling loads differ per degree
MT_share_p2,"Montana cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"MT_cdd_p2, MT_hdd_p2",2.7,percent,As above
MT_share_chg,Montana change in cooling share,share 2016-2025 minus share 1991-2000,"MT_share_p1, MT_share_p2",0.8,percentage points,
MT_total_chg,Montana change in total degree days (CDD + HDD),CDD change + HDD change,"MT_cdd_chg, MT_hdd_chg",-218.0,degree days,Adds unlike loads
NE_cdd_p1,"Nebraska average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NE 1991-2000,919.3,CDD,Fixed 2020 population weights
NE_cdd_p2,"Nebraska average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NE 2016-2025,1107.4,CDD,2024-2025 values may be revised
NE_cdd_chg,Nebraska change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NE_cdd_p1, NE_cdd_p2",188.1,CDD,"Two 10-year windows, not a trend fit"
NE_cdd_pct,Nebraska percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NE_cdd_p1, NE_cdd_p2",20.5,percent,Large percentages on small bases in cool states
NE_cdd_25n,Nebraska 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 368, 370",10.2,percent,Single year
NE_hdd_p1,"Nebraska average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NE 1991-2000,6391.8,HDD,Fixed 2020 population weights
NE_hdd_p2,"Nebraska average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NE 2016-2025,6037.6,HDD,2024-2025 values may be revised
NE_hdd_chg,Nebraska change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NE_hdd_p1, NE_hdd_p2",-354.2,HDD,"Two 10-year windows, not a trend fit"
NE_hdd_pct,Nebraska percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NE_hdd_p1, NE_hdd_p2",-5.5,percent,Large percentages on small bases in cool states
NE_hdd_25n,Nebraska 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 369, 371",-7.5,percent,Single year
NE_cdd_26n,Nebraska Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 372, 373",23.4,percent,Preliminary
NE_share_p1,"Nebraska cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NE_cdd_p1, NE_hdd_p1",12.6,percent,Degree days are not energy; heating and cooling loads differ per degree
NE_share_p2,"Nebraska cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NE_cdd_p2, NE_hdd_p2",15.5,percent,As above
NE_share_chg,Nebraska change in cooling share,share 2016-2025 minus share 1991-2000,"NE_share_p1, NE_share_p2",2.9,percentage points,
NE_total_chg,Nebraska change in total degree days (CDD + HDD),CDD change + HDD change,"NE_cdd_chg, NE_hdd_chg",-166.1,degree days,Adds unlike loads
NV_cdd_p1,"Nevada average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NV 1991-2000,2021.5,CDD,Fixed 2020 population weights
NV_cdd_p2,"Nevada average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NV 2016-2025,2343.3,CDD,2024-2025 values may be revised
NV_cdd_chg,Nevada change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NV_cdd_p1, NV_cdd_p2",321.8,CDD,"Two 10-year windows, not a trend fit"
NV_cdd_pct,Nevada percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NV_cdd_p1, NV_cdd_p2",15.9,percent,Large percentages on small bases in cool states
NV_cdd_25n,Nevada 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 377, 379",8.0,percent,Single year
NV_hdd_p1,"Nevada average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NV 1991-2000,3523.3,HDD,Fixed 2020 population weights
NV_hdd_p2,"Nevada average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NV 2016-2025,3330.7,HDD,2024-2025 values may be revised
NV_hdd_chg,Nevada change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NV_hdd_p1, NV_hdd_p2",-192.6,HDD,"Two 10-year windows, not a trend fit"
NV_hdd_pct,Nevada percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NV_hdd_p1, NV_hdd_p2",-5.5,percent,Large percentages on small bases in cool states
NV_hdd_25n,Nevada 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 378, 380",-15.5,percent,Single year
NV_cdd_26n,Nevada Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 381, 382",22.4,percent,Preliminary
NV_share_p1,"Nevada cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NV_cdd_p1, NV_hdd_p1",36.5,percent,Degree days are not energy; heating and cooling loads differ per degree
NV_share_p2,"Nevada cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NV_cdd_p2, NV_hdd_p2",41.3,percent,As above
NV_share_chg,Nevada change in cooling share,share 2016-2025 minus share 1991-2000,"NV_share_p1, NV_share_p2",4.8,percentage points,
NV_total_chg,Nevada change in total degree days (CDD + HDD),CDD change + HDD change,"NV_cdd_chg, NV_hdd_chg",129.2,degree days,Adds unlike loads
NH_cdd_p1,"New Hampshire average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NH 1991-2000,251.6,CDD,Fixed 2020 population weights
NH_cdd_p2,"New Hampshire average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NH 2016-2025,380.0,CDD,2024-2025 values may be revised
NH_cdd_chg,New Hampshire change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NH_cdd_p1, NH_cdd_p2",128.4,CDD,"Two 10-year windows, not a trend fit"
NH_cdd_pct,New Hampshire percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NH_cdd_p1, NH_cdd_p2",51.0,percent,Large percentages on small bases in cool states
NH_cdd_25n,New Hampshire 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 386, 388",28.7,percent,Single year
NH_hdd_p1,"New Hampshire average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NH 1991-2000,7617.8,HDD,Fixed 2020 population weights
NH_hdd_p2,"New Hampshire average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NH 2016-2025,7041.6,HDD,2024-2025 values may be revised
NH_hdd_chg,New Hampshire change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NH_hdd_p1, NH_hdd_p2",-576.2,HDD,"Two 10-year windows, not a trend fit"
NH_hdd_pct,New Hampshire percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NH_hdd_p1, NH_hdd_p2",-7.6,percent,Large percentages on small bases in cool states
NH_hdd_25n,New Hampshire 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 387, 389",-1.1,percent,Single year
NH_cdd_26n,New Hampshire Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 390, 391",21.3,percent,Preliminary
NH_share_p1,"New Hampshire cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NH_cdd_p1, NH_hdd_p1",3.2,percent,Degree days are not energy; heating and cooling loads differ per degree
NH_share_p2,"New Hampshire cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NH_cdd_p2, NH_hdd_p2",5.1,percent,As above
NH_share_chg,New Hampshire change in cooling share,share 2016-2025 minus share 1991-2000,"NH_share_p1, NH_share_p2",1.9,percentage points,
NH_total_chg,New Hampshire change in total degree days (CDD + HDD),CDD change + HDD change,"NH_cdd_chg, NH_hdd_chg",-447.8,degree days,Adds unlike loads
NJ_cdd_p1,"New Jersey average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NJ 1991-2000,744.4,CDD,Fixed 2020 population weights
NJ_cdd_p2,"New Jersey average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NJ 2016-2025,991.2,CDD,2024-2025 values may be revised
NJ_cdd_chg,New Jersey change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NJ_cdd_p1, NJ_cdd_p2",246.8,CDD,"Two 10-year windows, not a trend fit"
NJ_cdd_pct,New Jersey percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NJ_cdd_p1, NJ_cdd_p2",33.2,percent,Large percentages on small bases in cool states
NJ_cdd_25n,New Jersey 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 395, 397",7.9,percent,Single year
NJ_hdd_p1,"New Jersey average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NJ 1991-2000,5346.5,HDD,Fixed 2020 population weights
NJ_hdd_p2,"New Jersey average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NJ 2016-2025,4850.4,HDD,2024-2025 values may be revised
NJ_hdd_chg,New Jersey change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NJ_hdd_p1, NJ_hdd_p2",-496.1,HDD,"Two 10-year windows, not a trend fit"
NJ_hdd_pct,New Jersey percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NJ_hdd_p1, NJ_hdd_p2",-9.3,percent,Large percentages on small bases in cool states
NJ_hdd_25n,New Jersey 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 396, 398",-0.2,percent,Single year
NJ_cdd_26n,New Jersey Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 399, 400",13.2,percent,Preliminary
NJ_share_p1,"New Jersey cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NJ_cdd_p1, NJ_hdd_p1",12.2,percent,Degree days are not energy; heating and cooling loads differ per degree
NJ_share_p2,"New Jersey cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NJ_cdd_p2, NJ_hdd_p2",17.0,percent,As above
NJ_share_chg,New Jersey change in cooling share,share 2016-2025 minus share 1991-2000,"NJ_share_p1, NJ_share_p2",4.8,percentage points,
NJ_total_chg,New Jersey change in total degree days (CDD + HDD),CDD change + HDD change,"NJ_cdd_chg, NJ_hdd_chg",-249.3,degree days,Adds unlike loads
NM_cdd_p1,"New Mexico average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NM 1991-2000,908.2,CDD,Fixed 2020 population weights
NM_cdd_p2,"New Mexico average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NM 2016-2025,1169.4,CDD,2024-2025 values may be revised
NM_cdd_chg,New Mexico change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NM_cdd_p1, NM_cdd_p2",261.2,CDD,"Two 10-year windows, not a trend fit"
NM_cdd_pct,New Mexico percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NM_cdd_p1, NM_cdd_p2",28.8,percent,Large percentages on small bases in cool states
NM_cdd_25n,New Mexico 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 404, 406",14.3,percent,Single year
NM_hdd_p1,"New Mexico average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NM 1991-2000,4597.8,HDD,Fixed 2020 population weights
NM_hdd_p2,"New Mexico average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NM 2016-2025,4214.5,HDD,2024-2025 values may be revised
NM_hdd_chg,New Mexico change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NM_hdd_p1, NM_hdd_p2",-383.3,HDD,"Two 10-year windows, not a trend fit"
NM_hdd_pct,New Mexico percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NM_hdd_p1, NM_hdd_p2",-8.3,percent,Large percentages on small bases in cool states
NM_hdd_25n,New Mexico 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 405, 407",-11.3,percent,Single year
NM_cdd_26n,New Mexico Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 408, 409",48.1,percent,Preliminary
NM_share_p1,"New Mexico cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NM_cdd_p1, NM_hdd_p1",16.5,percent,Degree days are not energy; heating and cooling loads differ per degree
NM_share_p2,"New Mexico cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NM_cdd_p2, NM_hdd_p2",21.7,percent,As above
NM_share_chg,New Mexico change in cooling share,share 2016-2025 minus share 1991-2000,"NM_share_p1, NM_share_p2",5.2,percentage points,
NM_total_chg,New Mexico change in total degree days (CDD + HDD),CDD change + HDD change,"NM_cdd_chg, NM_hdd_chg",-122.1,degree days,Adds unlike loads
NY_cdd_p1,"New York average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NY 1991-2000,534.2,CDD,Fixed 2020 population weights
NY_cdd_p2,"New York average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NY 2016-2025,723.2,CDD,2024-2025 values may be revised
NY_cdd_chg,New York change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NY_cdd_p1, NY_cdd_p2",189.0,CDD,"Two 10-year windows, not a trend fit"
NY_cdd_pct,New York percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NY_cdd_p1, NY_cdd_p2",35.4,percent,Large percentages on small bases in cool states
NY_cdd_25n,New York 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 413, 415",15.7,percent,Single year
NY_hdd_p1,"New York average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NY 1991-2000,6178.8,HDD,Fixed 2020 population weights
NY_hdd_p2,"New York average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NY 2016-2025,5653.1,HDD,2024-2025 values may be revised
NY_hdd_chg,New York change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NY_hdd_p1, NY_hdd_p2",-525.7,HDD,"Two 10-year windows, not a trend fit"
NY_hdd_pct,New York percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NY_hdd_p1, NY_hdd_p2",-8.5,percent,Large percentages on small bases in cool states
NY_hdd_25n,New York 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 414, 416",-1.3,percent,Single year
NY_cdd_26n,New York Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 417, 418",8.0,percent,Preliminary
NY_share_p1,"New York cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NY_cdd_p1, NY_hdd_p1",8.0,percent,Degree days are not energy; heating and cooling loads differ per degree
NY_share_p2,"New York cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NY_cdd_p2, NY_hdd_p2",11.3,percent,As above
NY_share_chg,New York change in cooling share,share 2016-2025 minus share 1991-2000,"NY_share_p1, NY_share_p2",3.3,percentage points,
NY_total_chg,New York change in total degree days (CDD + HDD),CDD change + HDD change,"NY_cdd_chg, NY_hdd_chg",-336.7,degree days,Adds unlike loads
NC_cdd_p1,"North Carolina average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows NC 1991-2000,1361.9,CDD,Fixed 2020 population weights
NC_cdd_p2,"North Carolina average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows NC 2016-2025,1590.8,CDD,2024-2025 values may be revised
NC_cdd_chg,North Carolina change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"NC_cdd_p1, NC_cdd_p2",228.9,CDD,"Two 10-year windows, not a trend fit"
NC_cdd_pct,North Carolina percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NC_cdd_p1, NC_cdd_p2",16.8,percent,Large percentages on small bases in cool states
NC_cdd_25n,North Carolina 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 422, 424",4.3,percent,Single year
NC_hdd_p1,"North Carolina average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows NC 1991-2000,3476.9,HDD,Fixed 2020 population weights
NC_hdd_p2,"North Carolina average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows NC 2016-2025,3080.6,HDD,2024-2025 values may be revised
NC_hdd_chg,North Carolina change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"NC_hdd_p1, NC_hdd_p2",-396.3,HDD,"Two 10-year windows, not a trend fit"
NC_hdd_pct,North Carolina percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"NC_hdd_p1, NC_hdd_p2",-11.4,percent,Large percentages on small bases in cool states
NC_hdd_25n,North Carolina 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 423, 425",-2.6,percent,Single year
NC_cdd_26n,North Carolina Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 426, 427",18.6,percent,Preliminary
NC_share_p1,"North Carolina cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"NC_cdd_p1, NC_hdd_p1",28.1,percent,Degree days are not energy; heating and cooling loads differ per degree
NC_share_p2,"North Carolina cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"NC_cdd_p2, NC_hdd_p2",34.1,percent,As above
NC_share_chg,North Carolina change in cooling share,share 2016-2025 minus share 1991-2000,"NC_share_p1, NC_share_p2",6.0,percentage points,
NC_total_chg,North Carolina change in total degree days (CDD + HDD),CDD change + HDD change,"NC_cdd_chg, NC_hdd_chg",-167.4,degree days,Adds unlike loads
ND_cdd_p1,"North Dakota average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows ND 1991-2000,401.5,CDD,Fixed 2020 population weights
ND_cdd_p2,"North Dakota average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows ND 2016-2025,520.1,CDD,2024-2025 values may be revised
ND_cdd_chg,North Dakota change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"ND_cdd_p1, ND_cdd_p2",118.6,CDD,"Two 10-year windows, not a trend fit"
ND_cdd_pct,North Dakota percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"ND_cdd_p1, ND_cdd_p2",29.5,percent,Large percentages on small bases in cool states
ND_cdd_25n,North Dakota 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 431, 433",6.8,percent,Single year
ND_hdd_p1,"North Dakota average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows ND 1991-2000,9298.3,HDD,Fixed 2020 population weights
ND_hdd_p2,"North Dakota average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows ND 2016-2025,8975.1,HDD,2024-2025 values may be revised
ND_hdd_chg,North Dakota change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"ND_hdd_p1, ND_hdd_p2",-323.2,HDD,"Two 10-year windows, not a trend fit"
ND_hdd_pct,North Dakota percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"ND_hdd_p1, ND_hdd_p2",-3.5,percent,Large percentages on small bases in cool states
ND_hdd_25n,North Dakota 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 432, 434",-3.9,percent,Single year
ND_cdd_26n,North Dakota Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 435, 436",35.4,percent,Preliminary
ND_share_p1,"North Dakota cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"ND_cdd_p1, ND_hdd_p1",4.1,percent,Degree days are not energy; heating and cooling loads differ per degree
ND_share_p2,"North Dakota cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"ND_cdd_p2, ND_hdd_p2",5.5,percent,As above
ND_share_chg,North Dakota change in cooling share,share 2016-2025 minus share 1991-2000,"ND_share_p1, ND_share_p2",1.4,percentage points,
ND_total_chg,North Dakota change in total degree days (CDD + HDD),CDD change + HDD change,"ND_cdd_chg, ND_hdd_chg",-204.6,degree days,Adds unlike loads
OH_cdd_p1,"Ohio average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows OH 1991-2000,721.7,CDD,Fixed 2020 population weights
OH_cdd_p2,"Ohio average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows OH 2016-2025,904.8,CDD,2024-2025 values may be revised
OH_cdd_chg,Ohio change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"OH_cdd_p1, OH_cdd_p2",183.1,CDD,"Two 10-year windows, not a trend fit"
OH_cdd_pct,Ohio percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"OH_cdd_p1, OH_cdd_p2",25.4,percent,Large percentages on small bases in cool states
OH_cdd_25n,Ohio 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 440, 442",14.8,percent,Single year
OH_hdd_p1,"Ohio average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows OH 1991-2000,5817.5,HDD,Fixed 2020 population weights
OH_hdd_p2,"Ohio average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows OH 2016-2025,5315.6,HDD,2024-2025 values may be revised
OH_hdd_chg,Ohio change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"OH_hdd_p1, OH_hdd_p2",-501.9,HDD,"Two 10-year windows, not a trend fit"
OH_hdd_pct,Ohio percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"OH_hdd_p1, OH_hdd_p2",-8.6,percent,Large percentages on small bases in cool states
OH_hdd_25n,Ohio 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 441, 443",1.3,percent,Single year
OH_cdd_26n,Ohio Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 444, 445",11.5,percent,Preliminary
OH_share_p1,"Ohio cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"OH_cdd_p1, OH_hdd_p1",11.0,percent,Degree days are not energy; heating and cooling loads differ per degree
OH_share_p2,"Ohio cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"OH_cdd_p2, OH_hdd_p2",14.5,percent,As above
OH_share_chg,Ohio change in cooling share,share 2016-2025 minus share 1991-2000,"OH_share_p1, OH_share_p2",3.5,percentage points,
OH_total_chg,Ohio change in total degree days (CDD + HDD),CDD change + HDD change,"OH_cdd_chg, OH_hdd_chg",-318.8,degree days,Adds unlike loads
OK_cdd_p1,"Oklahoma average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows OK 1991-2000,1831.5,CDD,Fixed 2020 population weights
OK_cdd_p2,"Oklahoma average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows OK 2016-2025,2056.5,CDD,2024-2025 values may be revised
OK_cdd_chg,Oklahoma change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"OK_cdd_p1, OK_cdd_p2",225.0,CDD,"Two 10-year windows, not a trend fit"
OK_cdd_pct,Oklahoma percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"OK_cdd_p1, OK_cdd_p2",12.3,percent,Large percentages on small bases in cool states
OK_cdd_25n,Oklahoma 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 449, 451",5.2,percent,Single year
OK_hdd_p1,"Oklahoma average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows OK 1991-2000,3618.9,HDD,Fixed 2020 population weights
OK_hdd_p2,"Oklahoma average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows OK 2016-2025,3303.8,HDD,2024-2025 values may be revised
OK_hdd_chg,Oklahoma change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"OK_hdd_p1, OK_hdd_p2",-315.1,HDD,"Two 10-year windows, not a trend fit"
OK_hdd_pct,Oklahoma percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"OK_hdd_p1, OK_hdd_p2",-8.7,percent,Large percentages on small bases in cool states
OK_hdd_25n,Oklahoma 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 450, 452",-10.3,percent,Single year
OK_cdd_26n,Oklahoma Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 453, 454",40.3,percent,Preliminary
OK_share_p1,"Oklahoma cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"OK_cdd_p1, OK_hdd_p1",33.6,percent,Degree days are not energy; heating and cooling loads differ per degree
OK_share_p2,"Oklahoma cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"OK_cdd_p2, OK_hdd_p2",38.4,percent,As above
OK_share_chg,Oklahoma change in cooling share,share 2016-2025 minus share 1991-2000,"OK_share_p1, OK_share_p2",4.8,percentage points,
OK_total_chg,Oklahoma change in total degree days (CDD + HDD),CDD change + HDD change,"OK_cdd_chg, OK_hdd_chg",-90.1,degree days,Adds unlike loads
OR_cdd_p1,"Oregon average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows OR 1991-2000,205.5,CDD,Fixed 2020 population weights
OR_cdd_p2,"Oregon average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows OR 2016-2025,313.2,CDD,2024-2025 values may be revised
OR_cdd_chg,Oregon change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"OR_cdd_p1, OR_cdd_p2",107.7,CDD,"Two 10-year windows, not a trend fit"
OR_cdd_pct,Oregon percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"OR_cdd_p1, OR_cdd_p2",52.4,percent,Large percentages on small bases in cool states
OR_cdd_25n,Oregon 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 458, 460",63.4,percent,Single year
OR_hdd_p1,"Oregon average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows OR 1991-2000,5290.0,HDD,Fixed 2020 population weights
OR_hdd_p2,"Oregon average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows OR 2016-2025,5121.6,HDD,2024-2025 values may be revised
OR_hdd_chg,Oregon change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"OR_hdd_p1, OR_hdd_p2",-168.4,HDD,"Two 10-year windows, not a trend fit"
OR_hdd_pct,Oregon percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"OR_hdd_p1, OR_hdd_p2",-3.2,percent,Large percentages on small bases in cool states
OR_hdd_25n,Oregon 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 459, 461",-7.9,percent,Single year
OR_cdd_26n,Oregon Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 462, 463",13.8,percent,Preliminary
OR_share_p1,"Oregon cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"OR_cdd_p1, OR_hdd_p1",3.7,percent,Degree days are not energy; heating and cooling loads differ per degree
OR_share_p2,"Oregon cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"OR_cdd_p2, OR_hdd_p2",5.8,percent,As above
OR_share_chg,Oregon change in cooling share,share 2016-2025 minus share 1991-2000,"OR_share_p1, OR_share_p2",2.1,percentage points,
OR_total_chg,Oregon change in total degree days (CDD + HDD),CDD change + HDD change,"OR_cdd_chg, OR_hdd_chg",-60.7,degree days,Adds unlike loads
PA_cdd_p1,"Pennsylvania average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows PA 1991-2000,623.2,CDD,Fixed 2020 population weights
PA_cdd_p2,"Pennsylvania average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows PA 2016-2025,809.7,CDD,2024-2025 values may be revised
PA_cdd_chg,Pennsylvania change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"PA_cdd_p1, PA_cdd_p2",186.5,CDD,"Two 10-year windows, not a trend fit"
PA_cdd_pct,Pennsylvania percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"PA_cdd_p1, PA_cdd_p2",29.9,percent,Large percentages on small bases in cool states
PA_cdd_25n,Pennsylvania 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 467, 469",11.8,percent,Single year
PA_hdd_p1,"Pennsylvania average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows PA 1991-2000,5860.1,HDD,Fixed 2020 population weights
PA_hdd_p2,"Pennsylvania average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows PA 2016-2025,5376.3,HDD,2024-2025 values may be revised
PA_hdd_chg,Pennsylvania change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"PA_hdd_p1, PA_hdd_p2",-483.8,HDD,"Two 10-year windows, not a trend fit"
PA_hdd_pct,Pennsylvania percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"PA_hdd_p1, PA_hdd_p2",-8.3,percent,Large percentages on small bases in cool states
PA_hdd_25n,Pennsylvania 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 468, 470",0.4,percent,Single year
PA_cdd_26n,Pennsylvania Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 471, 472",11.6,percent,Preliminary
PA_share_p1,"Pennsylvania cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"PA_cdd_p1, PA_hdd_p1",9.6,percent,Degree days are not energy; heating and cooling loads differ per degree
PA_share_p2,"Pennsylvania cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"PA_cdd_p2, PA_hdd_p2",13.1,percent,As above
PA_share_chg,Pennsylvania change in cooling share,share 2016-2025 minus share 1991-2000,"PA_share_p1, PA_share_p2",3.5,percentage points,
PA_total_chg,Pennsylvania change in total degree days (CDD + HDD),CDD change + HDD change,"PA_cdd_chg, PA_hdd_chg",-297.3,degree days,Adds unlike loads
RI_cdd_p1,"Rhode Island average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows RI 1991-2000,485.1,CDD,Fixed 2020 population weights
RI_cdd_p2,"Rhode Island average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows RI 2016-2025,666.4,CDD,2024-2025 values may be revised
RI_cdd_chg,Rhode Island change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"RI_cdd_p1, RI_cdd_p2",181.3,CDD,"Two 10-year windows, not a trend fit"
RI_cdd_pct,Rhode Island percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"RI_cdd_p1, RI_cdd_p2",37.4,percent,Large percentages on small bases in cool states
RI_cdd_25n,Rhode Island 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 476, 478",12.6,percent,Single year
RI_hdd_p1,"Rhode Island average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows RI 1991-2000,5911.6,HDD,Fixed 2020 population weights
RI_hdd_p2,"Rhode Island average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows RI 2016-2025,5406.7,HDD,2024-2025 values may be revised
RI_hdd_chg,Rhode Island change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"RI_hdd_p1, RI_hdd_p2",-504.9,HDD,"Two 10-year windows, not a trend fit"
RI_hdd_pct,Rhode Island percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"RI_hdd_p1, RI_hdd_p2",-8.5,percent,Large percentages on small bases in cool states
RI_hdd_25n,Rhode Island 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 477, 479",-1.7,percent,Single year
RI_cdd_26n,Rhode Island Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 480, 481",15.9,percent,Preliminary
RI_share_p1,"Rhode Island cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"RI_cdd_p1, RI_hdd_p1",7.6,percent,Degree days are not energy; heating and cooling loads differ per degree
RI_share_p2,"Rhode Island cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"RI_cdd_p2, RI_hdd_p2",11.0,percent,As above
RI_share_chg,Rhode Island change in cooling share,share 2016-2025 minus share 1991-2000,"RI_share_p1, RI_share_p2",3.4,percentage points,
RI_total_chg,Rhode Island change in total degree days (CDD + HDD),CDD change + HDD change,"RI_cdd_chg, RI_hdd_chg",-323.6,degree days,Adds unlike loads
SC_cdd_p1,"South Carolina average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows SC 1991-2000,1829.6,CDD,Fixed 2020 population weights
SC_cdd_p2,"South Carolina average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows SC 2016-2025,2066.9,CDD,2024-2025 values may be revised
SC_cdd_chg,South Carolina change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"SC_cdd_p1, SC_cdd_p2",237.3,CDD,"Two 10-year windows, not a trend fit"
SC_cdd_pct,South Carolina percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"SC_cdd_p1, SC_cdd_p2",13.0,percent,Large percentages on small bases in cool states
SC_cdd_25n,South Carolina 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 485, 487",1.4,percent,Single year
SC_hdd_p1,"South Carolina average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows SC 1991-2000,2684.3,HDD,Fixed 2020 population weights
SC_hdd_p2,"South Carolina average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows SC 2016-2025,2334.5,HDD,2024-2025 values may be revised
SC_hdd_chg,South Carolina change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"SC_hdd_p1, SC_hdd_p2",-349.8,HDD,"Two 10-year windows, not a trend fit"
SC_hdd_pct,South Carolina percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"SC_hdd_p1, SC_hdd_p2",-13.0,percent,Large percentages on small bases in cool states
SC_hdd_25n,South Carolina 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 486, 488",-2.9,percent,Single year
SC_cdd_26n,South Carolina Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 489, 490",14.2,percent,Preliminary
SC_share_p1,"South Carolina cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"SC_cdd_p1, SC_hdd_p1",40.5,percent,Degree days are not energy; heating and cooling loads differ per degree
SC_share_p2,"South Carolina cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"SC_cdd_p2, SC_hdd_p2",47.0,percent,As above
SC_share_chg,South Carolina change in cooling share,share 2016-2025 minus share 1991-2000,"SC_share_p1, SC_share_p2",6.5,percentage points,
SC_total_chg,South Carolina change in total degree days (CDD + HDD),CDD change + HDD change,"SC_cdd_chg, SC_hdd_chg",-112.5,degree days,Adds unlike loads
SD_cdd_p1,"South Dakota average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows SD 1991-2000,615.6,CDD,Fixed 2020 population weights
SD_cdd_p2,"South Dakota average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows SD 2016-2025,773.8,CDD,2024-2025 values may be revised
SD_cdd_chg,South Dakota change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"SD_cdd_p1, SD_cdd_p2",158.2,CDD,"Two 10-year windows, not a trend fit"
SD_cdd_pct,South Dakota percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"SD_cdd_p1, SD_cdd_p2",25.7,percent,Large percentages on small bases in cool states
SD_cdd_25n,South Dakota 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 494, 496",11.5,percent,Single year
SD_hdd_p1,"South Dakota average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows SD 1991-2000,7745.9,HDD,Fixed 2020 population weights
SD_hdd_p2,"South Dakota average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows SD 2016-2025,7455.0,HDD,2024-2025 values may be revised
SD_hdd_chg,South Dakota change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"SD_hdd_p1, SD_hdd_p2",-290.9,HDD,"Two 10-year windows, not a trend fit"
SD_hdd_pct,South Dakota percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"SD_hdd_p1, SD_hdd_p2",-3.8,percent,Large percentages on small bases in cool states
SD_hdd_25n,South Dakota 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 495, 497",-6.2,percent,Single year
SD_cdd_26n,South Dakota Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 498, 499",32.3,percent,Preliminary
SD_share_p1,"South Dakota cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"SD_cdd_p1, SD_hdd_p1",7.4,percent,Degree days are not energy; heating and cooling loads differ per degree
SD_share_p2,"South Dakota cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"SD_cdd_p2, SD_hdd_p2",9.4,percent,As above
SD_share_chg,South Dakota change in cooling share,share 2016-2025 minus share 1991-2000,"SD_share_p1, SD_share_p2",2.0,percentage points,
SD_total_chg,South Dakota change in total degree days (CDD + HDD),CDD change + HDD change,"SD_cdd_chg, SD_hdd_chg",-132.7,degree days,Adds unlike loads
TN_cdd_p1,"Tennessee average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows TN 1991-2000,1323.6,CDD,Fixed 2020 population weights
TN_cdd_p2,"Tennessee average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows TN 2016-2025,1535.1,CDD,2024-2025 values may be revised
TN_cdd_chg,Tennessee change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"TN_cdd_p1, TN_cdd_p2",211.5,CDD,"Two 10-year windows, not a trend fit"
TN_cdd_pct,Tennessee percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"TN_cdd_p1, TN_cdd_p2",16.0,percent,Large percentages on small bases in cool states
TN_cdd_25n,Tennessee 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 503, 505",11.3,percent,Single year
TN_hdd_p1,"Tennessee average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows TN 1991-2000,3854.9,HDD,Fixed 2020 population weights
TN_hdd_p2,"Tennessee average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows TN 2016-2025,3457.2,HDD,2024-2025 values may be revised
TN_hdd_chg,Tennessee change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"TN_hdd_p1, TN_hdd_p2",-397.7,HDD,"Two 10-year windows, not a trend fit"
TN_hdd_pct,Tennessee percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"TN_hdd_p1, TN_hdd_p2",-10.3,percent,Large percentages on small bases in cool states
TN_hdd_25n,Tennessee 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 504, 506",-5.5,percent,Single year
TN_cdd_26n,Tennessee Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 507, 508",25.4,percent,Preliminary
TN_share_p1,"Tennessee cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"TN_cdd_p1, TN_hdd_p1",25.6,percent,Degree days are not energy; heating and cooling loads differ per degree
TN_share_p2,"Tennessee cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"TN_cdd_p2, TN_hdd_p2",30.7,percent,As above
TN_share_chg,Tennessee change in cooling share,share 2016-2025 minus share 1991-2000,"TN_share_p1, TN_share_p2",5.1,percentage points,
TN_total_chg,Tennessee change in total degree days (CDD + HDD),CDD change + HDD change,"TN_cdd_chg, TN_hdd_chg",-186.2,degree days,Adds unlike loads
TX_cdd_p1,"Texas average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows TX 1991-2000,2691.2,CDD,Fixed 2020 population weights
TX_cdd_p2,"Texas average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows TX 2016-2025,3091.6,CDD,2024-2025 values may be revised
TX_cdd_chg,Texas change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"TX_cdd_p1, TX_cdd_p2",400.4,CDD,"Two 10-year windows, not a trend fit"
TX_cdd_pct,Texas percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"TX_cdd_p1, TX_cdd_p2",14.9,percent,Large percentages on small bases in cool states
TX_cdd_25n,Texas 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 512, 514",14.6,percent,Single year
TX_hdd_p1,"Texas average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows TX 1991-2000,1864.9,HDD,Fixed 2020 population weights
TX_hdd_p2,"Texas average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows TX 2016-2025,1624.5,HDD,2024-2025 values may be revised
TX_hdd_chg,Texas change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"TX_hdd_p1, TX_hdd_p2",-240.4,HDD,"Two 10-year windows, not a trend fit"
TX_hdd_pct,Texas percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"TX_hdd_p1, TX_hdd_p2",-12.9,percent,Large percentages on small bases in cool states
TX_hdd_25n,Texas 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 513, 515",-16.6,percent,Single year
TX_cdd_26n,Texas Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 516, 517",23.5,percent,Preliminary
TX_share_p1,"Texas cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"TX_cdd_p1, TX_hdd_p1",59.1,percent,Degree days are not energy; heating and cooling loads differ per degree
TX_share_p2,"Texas cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"TX_cdd_p2, TX_hdd_p2",65.6,percent,As above
TX_share_chg,Texas change in cooling share,share 2016-2025 minus share 1991-2000,"TX_share_p1, TX_share_p2",6.5,percentage points,
TX_total_chg,Texas change in total degree days (CDD + HDD),CDD change + HDD change,"TX_cdd_chg, TX_hdd_chg",160.0,degree days,Adds unlike loads
UT_cdd_p1,"Utah average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows UT 1991-2000,471.6,CDD,Fixed 2020 population weights
UT_cdd_p2,"Utah average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows UT 2016-2025,644.0,CDD,2024-2025 values may be revised
UT_cdd_chg,Utah change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"UT_cdd_p1, UT_cdd_p2",172.4,CDD,"Two 10-year windows, not a trend fit"
UT_cdd_pct,Utah percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"UT_cdd_p1, UT_cdd_p2",36.6,percent,Large percentages on small bases in cool states
UT_cdd_25n,Utah 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 521, 523",25.1,percent,Single year
UT_hdd_p1,"Utah average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows UT 1991-2000,7075.3,HDD,Fixed 2020 population weights
UT_hdd_p2,"Utah average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows UT 2016-2025,6753.8,HDD,2024-2025 values may be revised
UT_hdd_chg,Utah change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"UT_hdd_p1, UT_hdd_p2",-321.5,HDD,"Two 10-year windows, not a trend fit"
UT_hdd_pct,Utah percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"UT_hdd_p1, UT_hdd_p2",-4.5,percent,Large percentages on small bases in cool states
UT_hdd_25n,Utah 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 522, 524",-11.6,percent,Single year
UT_cdd_26n,Utah Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 525, 526",42.6,percent,Preliminary
UT_share_p1,"Utah cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"UT_cdd_p1, UT_hdd_p1",6.2,percent,Degree days are not energy; heating and cooling loads differ per degree
UT_share_p2,"Utah cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"UT_cdd_p2, UT_hdd_p2",8.7,percent,As above
UT_share_chg,Utah change in cooling share,share 2016-2025 minus share 1991-2000,"UT_share_p1, UT_share_p2",2.5,percentage points,
UT_total_chg,Utah change in total degree days (CDD + HDD),CDD change + HDD change,"UT_cdd_chg, UT_hdd_chg",-149.1,degree days,Adds unlike loads
VT_cdd_p1,"Vermont average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows VT 1991-2000,181.4,CDD,Fixed 2020 population weights
VT_cdd_p2,"Vermont average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows VT 2016-2025,286.9,CDD,2024-2025 values may be revised
VT_cdd_chg,Vermont change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"VT_cdd_p1, VT_cdd_p2",105.5,CDD,"Two 10-year windows, not a trend fit"
VT_cdd_pct,Vermont percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"VT_cdd_p1, VT_cdd_p2",58.2,percent,Large percentages on small bases in cool states
VT_cdd_25n,Vermont 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 530, 532",35.0,percent,Single year
VT_hdd_p1,"Vermont average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows VT 1991-2000,8287.2,HDD,Fixed 2020 population weights
VT_hdd_p2,"Vermont average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows VT 2016-2025,7649.4,HDD,2024-2025 values may be revised
VT_hdd_chg,Vermont change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"VT_hdd_p1, VT_hdd_p2",-637.8,HDD,"Two 10-year windows, not a trend fit"
VT_hdd_pct,Vermont percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"VT_hdd_p1, VT_hdd_p2",-7.7,percent,Large percentages on small bases in cool states
VT_hdd_25n,Vermont 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 531, 533",-1.8,percent,Single year
VT_cdd_26n,Vermont Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 534, 535",15.2,percent,Preliminary
VT_share_p1,"Vermont cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"VT_cdd_p1, VT_hdd_p1",2.1,percent,Degree days are not energy; heating and cooling loads differ per degree
VT_share_p2,"Vermont cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"VT_cdd_p2, VT_hdd_p2",3.6,percent,As above
VT_share_chg,Vermont change in cooling share,share 2016-2025 minus share 1991-2000,"VT_share_p1, VT_share_p2",1.5,percentage points,
VT_total_chg,Vermont change in total degree days (CDD + HDD),CDD change + HDD change,"VT_cdd_chg, VT_hdd_chg",-532.3,degree days,Adds unlike loads
VA_cdd_p1,"Virginia average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows VA 1991-2000,1033.5,CDD,Fixed 2020 population weights
VA_cdd_p2,"Virginia average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows VA 2016-2025,1251.3,CDD,2024-2025 values may be revised
VA_cdd_chg,Virginia change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"VA_cdd_p1, VA_cdd_p2",217.8,CDD,"Two 10-year windows, not a trend fit"
VA_cdd_pct,Virginia percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"VA_cdd_p1, VA_cdd_p2",21.1,percent,Large percentages on small bases in cool states
VA_cdd_25n,Virginia 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 539, 541",7.4,percent,Single year
VA_hdd_p1,"Virginia average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows VA 1991-2000,4396.9,HDD,Fixed 2020 population weights
VA_hdd_p2,"Virginia average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows VA 2016-2025,3955.5,HDD,2024-2025 values may be revised
VA_hdd_chg,Virginia change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"VA_hdd_p1, VA_hdd_p2",-441.4,HDD,"Two 10-year windows, not a trend fit"
VA_hdd_pct,Virginia percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"VA_hdd_p1, VA_hdd_p2",-10.0,percent,Large percentages on small bases in cool states
VA_hdd_25n,Virginia 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 540, 542",-2.4,percent,Single year
VA_cdd_26n,Virginia Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 543, 544",21.8,percent,Preliminary
VA_share_p1,"Virginia cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"VA_cdd_p1, VA_hdd_p1",19.0,percent,Degree days are not energy; heating and cooling loads differ per degree
VA_share_p2,"Virginia cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"VA_cdd_p2, VA_hdd_p2",24.0,percent,As above
VA_share_chg,Virginia change in cooling share,share 2016-2025 minus share 1991-2000,"VA_share_p1, VA_share_p2",5.0,percentage points,
VA_total_chg,Virginia change in total degree days (CDD + HDD),CDD change + HDD change,"VA_cdd_chg, VA_hdd_chg",-223.6,degree days,Adds unlike loads
WA_cdd_p1,"Washington average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows WA 1991-2000,161.3,CDD,Fixed 2020 population weights
WA_cdd_p2,"Washington average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows WA 2016-2025,244.0,CDD,2024-2025 values may be revised
WA_cdd_chg,Washington change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"WA_cdd_p1, WA_cdd_p2",82.7,CDD,"Two 10-year windows, not a trend fit"
WA_cdd_pct,Washington percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WA_cdd_p1, WA_cdd_p2",51.3,percent,Large percentages on small bases in cool states
WA_cdd_25n,Washington 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 548, 550",63.7,percent,Single year
WA_hdd_p1,"Washington average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows WA 1991-2000,5622.3,HDD,Fixed 2020 population weights
WA_hdd_p2,"Washington average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows WA 2016-2025,5468.9,HDD,2024-2025 values may be revised
WA_hdd_chg,Washington change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"WA_hdd_p1, WA_hdd_p2",-153.4,HDD,"Two 10-year windows, not a trend fit"
WA_hdd_pct,Washington percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WA_hdd_p1, WA_hdd_p2",-2.7,percent,Large percentages on small bases in cool states
WA_hdd_25n,Washington 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 549, 551",-7.6,percent,Single year
WA_cdd_26n,Washington Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 552, 553",19.2,percent,Preliminary
WA_share_p1,"Washington cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"WA_cdd_p1, WA_hdd_p1",2.8,percent,Degree days are not energy; heating and cooling loads differ per degree
WA_share_p2,"Washington cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"WA_cdd_p2, WA_hdd_p2",4.3,percent,As above
WA_share_chg,Washington change in cooling share,share 2016-2025 minus share 1991-2000,"WA_share_p1, WA_share_p2",1.5,percentage points,
WA_total_chg,Washington change in total degree days (CDD + HDD),CDD change + HDD change,"WA_cdd_chg, WA_hdd_chg",-70.7,degree days,Adds unlike loads
WV_cdd_p1,"West Virginia average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows WV 1991-2000,739.8,CDD,Fixed 2020 population weights
WV_cdd_p2,"West Virginia average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows WV 2016-2025,905.2,CDD,2024-2025 values may be revised
WV_cdd_chg,West Virginia change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"WV_cdd_p1, WV_cdd_p2",165.4,CDD,"Two 10-year windows, not a trend fit"
WV_cdd_pct,West Virginia percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WV_cdd_p1, WV_cdd_p2",22.4,percent,Large percentages on small bases in cool states
WV_cdd_25n,West Virginia 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 557, 559",18.3,percent,Single year
WV_hdd_p1,"West Virginia average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows WV 1991-2000,5202.0,HDD,Fixed 2020 population weights
WV_hdd_p2,"West Virginia average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows WV 2016-2025,4755.1,HDD,2024-2025 values may be revised
WV_hdd_chg,West Virginia change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"WV_hdd_p1, WV_hdd_p2",-446.9,HDD,"Two 10-year windows, not a trend fit"
WV_hdd_pct,West Virginia percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WV_hdd_p1, WV_hdd_p2",-8.6,percent,Large percentages on small bases in cool states
WV_hdd_25n,West Virginia 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 558, 560",-0.1,percent,Single year
WV_cdd_26n,West Virginia Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 561, 562",20.2,percent,Preliminary
WV_share_p1,"West Virginia cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"WV_cdd_p1, WV_hdd_p1",12.5,percent,Degree days are not energy; heating and cooling loads differ per degree
WV_share_p2,"West Virginia cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"WV_cdd_p2, WV_hdd_p2",16.0,percent,As above
WV_share_chg,West Virginia change in cooling share,share 2016-2025 minus share 1991-2000,"WV_share_p1, WV_share_p2",3.5,percentage points,
WV_total_chg,West Virginia change in total degree days (CDD + HDD),CDD change + HDD change,"WV_cdd_chg, WV_hdd_chg",-281.5,degree days,Adds unlike loads
WI_cdd_p1,"Wisconsin average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows WI 1991-2000,465.8,CDD,Fixed 2020 population weights
WI_cdd_p2,"Wisconsin average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows WI 2016-2025,579.8,CDD,2024-2025 values may be revised
WI_cdd_chg,Wisconsin change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"WI_cdd_p1, WI_cdd_p2",114.0,CDD,"Two 10-year windows, not a trend fit"
WI_cdd_pct,Wisconsin percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WI_cdd_p1, WI_cdd_p2",24.5,percent,Large percentages on small bases in cool states
WI_cdd_25n,Wisconsin 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 566, 568",14.8,percent,Single year
WI_hdd_p1,"Wisconsin average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows WI 1991-2000,7661.3,HDD,Fixed 2020 population weights
WI_hdd_p2,"Wisconsin average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows WI 2016-2025,7191.9,HDD,2024-2025 values may be revised
WI_hdd_chg,Wisconsin change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"WI_hdd_p1, WI_hdd_p2",-469.4,HDD,"Two 10-year windows, not a trend fit"
WI_hdd_pct,Wisconsin percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WI_hdd_p1, WI_hdd_p2",-6.1,percent,Large percentages on small bases in cool states
WI_hdd_25n,Wisconsin 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 567, 569",-2.4,percent,Single year
WI_cdd_26n,Wisconsin Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 570, 571",21.5,percent,Preliminary
WI_share_p1,"Wisconsin cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"WI_cdd_p1, WI_hdd_p1",5.7,percent,Degree days are not energy; heating and cooling loads differ per degree
WI_share_p2,"Wisconsin cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"WI_cdd_p2, WI_hdd_p2",7.5,percent,As above
WI_share_chg,Wisconsin change in cooling share,share 2016-2025 minus share 1991-2000,"WI_share_p1, WI_share_p2",1.8,percentage points,
WI_total_chg,Wisconsin change in total degree days (CDD + HDD),CDD change + HDD change,"WI_cdd_chg, WI_hdd_chg",-355.4,degree days,Adds unlike loads
WY_cdd_p1,"Wyoming average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows WY 1991-2000,232.2,CDD,Fixed 2020 population weights
WY_cdd_p2,"Wyoming average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows WY 2016-2025,323.8,CDD,2024-2025 values may be revised
WY_cdd_chg,Wyoming change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"WY_cdd_p1, WY_cdd_p2",91.6,CDD,"Two 10-year windows, not a trend fit"
WY_cdd_pct,Wyoming percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WY_cdd_p1, WY_cdd_p2",39.4,percent,Large percentages on small bases in cool states
WY_cdd_25n,Wyoming 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 575, 577",19.4,percent,Single year
WY_hdd_p1,"Wyoming average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows WY 1991-2000,8339.2,HDD,Fixed 2020 population weights
WY_hdd_p2,"Wyoming average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows WY 2016-2025,8053.3,HDD,2024-2025 values may be revised
WY_hdd_chg,Wyoming change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"WY_hdd_p1, WY_hdd_p2",-285.9,HDD,"Two 10-year windows, not a trend fit"
WY_hdd_pct,Wyoming percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"WY_hdd_p1, WY_hdd_p2",-3.4,percent,Large percentages on small bases in cool states
WY_hdd_25n,Wyoming 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 576, 578",-7.7,percent,Single year
WY_cdd_26n,Wyoming Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 579, 580",69.4,percent,Preliminary
WY_share_p1,"Wyoming cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"WY_cdd_p1, WY_hdd_p1",2.7,percent,Degree days are not energy; heating and cooling loads differ per degree
WY_share_p2,"Wyoming cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"WY_cdd_p2, WY_hdd_p2",3.9,percent,As above
WY_share_chg,Wyoming change in cooling share,share 2016-2025 minus share 1991-2000,"WY_share_p1, WY_share_p2",1.2,percentage points,
WY_total_chg,Wyoming change in total degree days (CDD + HDD),CDD change + HDD change,"WY_cdd_chg, WY_hdd_chg",-194.3,degree days,Adds unlike loads
US_cdd_p1,"Contiguous US average annual cooling degree days, 1991-2000",mean of 10 annual totals,CDD file rows US 1991-2000,1269.8,CDD,Fixed 2020 population weights
US_cdd_p2,"Contiguous US average annual cooling degree days, 2016-2025",mean of 10 annual totals,CDD file rows US 2016-2025,1507.7,CDD,2024-2025 values may be revised
US_cdd_chg,Contiguous US change in average cooling degree days,avg 2016-2025 minus avg 1991-2000,"US_cdd_p1, US_cdd_p2",237.9,CDD,"Two 10-year windows, not a trend fit"
US_cdd_pct,Contiguous US percent change in average cooling degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"US_cdd_p1, US_cdd_p2",18.7,percent,Large percentages on small bases in cool states
US_cdd_25n,Contiguous US 2025 cooling degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 584, 586",10.5,percent,Single year
US_hdd_p1,"Contiguous US average annual heating degree days, 1991-2000",mean of 10 annual totals,HDD file rows US 1991-2000,4366.4,HDD,Fixed 2020 population weights
US_hdd_p2,"Contiguous US average annual heating degree days, 2016-2025",mean of 10 annual totals,HDD file rows US 2016-2025,4007.5,HDD,2024-2025 values may be revised
US_hdd_chg,Contiguous US change in average heating degree days,avg 2016-2025 minus avg 1991-2000,"US_hdd_p1, US_hdd_p2",-358.9,HDD,"Two 10-year windows, not a trend fit"
US_hdd_pct,Contiguous US percent change in average heating degree days,(avg 2016-2025 / avg 1991-2000 - 1) x 100,"US_hdd_p1, US_hdd_p2",-8.2,percent,Large percentages on small bases in cool states
US_hdd_25n,Contiguous US 2025 heating degree days vs 1991-2020 normal,(2025 / normal - 1) x 100,"rows 585, 587",-4.7,percent,Single year
US_cdd_26n,Contiguous US Jan-Sep 2026 CDD vs Jan-Sep normal,(Jan-Sep 2026 / Jan-Sep normal - 1) x 100,"rows 588, 589",19.8,percent,Preliminary
US_share_p1,"Contiguous US cooling share of total degree days, 1991-2000",CDD / (CDD + HDD) x 100,"US_cdd_p1, US_hdd_p1",22.5,percent,Degree days are not energy; heating and cooling loads differ per degree
US_share_p2,"Contiguous US cooling share of total degree days, 2016-2025",CDD / (CDD + HDD) x 100,"US_cdd_p2, US_hdd_p2",27.3,percent,As above
US_share_chg,Contiguous US change in cooling share,share 2016-2025 minus share 1991-2000,"US_share_p1, US_share_p2",4.8,percentage points,
US_total_chg,Contiguous US change in total degree days (CDD + HDD),CDD change + HDD change,"US_cdd_chg, US_hdd_chg",-121.0,degree days,Adds unlike loads
dec_cdd_p1_old,"US cooling degree days, 1991-2000 weather, 1990/2000 mean census weights","sum(div DD x div pop)/sum(div pop), mean over 1991-2000","s4 divisional files, s5 populations (1990, 2000, 2020)",1197.1,CDD,Division populations interpolated as the 1990/2000 mean
dec_cdd_p1_new,"US cooling degree days, 1991-2000 weather, 2020 census weights","same, 2020 weights","s4 divisional files, s5 populations (1990, 2000, 2020)",1269.8,CDD,
dec_cdd_p2_old,"US cooling degree days, 2016-2025 weather, 1990/2000 mean census weights",same,"s4 divisional files, s5 populations (1990, 2000, 2020)",1427.4,CDD,
dec_cdd_p2_new,"US cooling degree days, 2016-2025 weather, 2020 census weights",same,"s4 divisional files, s5 populations (1990, 2000, 2020)",1508.0,CDD,Equals NOAA national within 0.3 DD
dec_cdd_total,Change in cooling degree days experienced by the average resident,dec_p2_new - dec_p1_old,"dec_cdd_p1_old, dec_cdd_p2_new",310.9,CDD,
dec_cdd_total_pct,Percent change in cooling degree days experienced by the average resident,total / dec_p1_old x 100,"dec_cdd_total, dec_cdd_p1_old",26.0,percent,
dec_cdd_weather,Weather part of the cooling change (average of the two weightings),((p2_new - p1_new) + (p2_old - p1_old)) / 2,dec_cdd_*,234.2,CDD,Symmetric (Shapley) split; other splits give between 230.3 and 238.2
dec_cdd_pop,Population-shift part of the cooling change (average of the two weather periods),((p1_new - p1_old) + (p2_new - p2_old)) / 2,dec_cdd_*,76.7,CDD,Range 72.7 to 80.6
dec_cdd_pop_share,Population shift as a share of the cooling change,pop part / total x 100,"dec_cdd_pop, dec_cdd_total",24.7,percent,Within-division moves are not captured
dec_cdd_w_a,Decomposition bound w_a for cooling,see formula of weather/pop rows,dec_cdd_*,238.2,CDD,Sensitivity bound
dec_cdd_w_b,Decomposition bound w_b for cooling,see formula of weather/pop rows,dec_cdd_*,230.3,CDD,Sensitivity bound
dec_cdd_p_a,Decomposition bound p_a for cooling,see formula of weather/pop rows,dec_cdd_*,72.7,CDD,Sensitivity bound
dec_cdd_p_b,Decomposition bound p_b for cooling,see formula of weather/pop rows,dec_cdd_*,80.6,CDD,Sensitivity bound
dec_hdd_p1_old,"US heating degree days, 1991-2000 weather, 1990/2000 mean census weights","sum(div DD x div pop)/sum(div pop), mean over 1991-2000","s4 divisional files, s5 populations (1990, 2000, 2020)",4524.3,HDD,Division populations interpolated as the 1990/2000 mean
dec_hdd_p1_new,"US heating degree days, 1991-2000 weather, 2020 census weights","same, 2020 weights","s4 divisional files, s5 populations (1990, 2000, 2020)",4366.4,HDD,
dec_hdd_p2_old,"US heating degree days, 2016-2025 weather, 1990/2000 mean census weights",same,"s4 divisional files, s5 populations (1990, 2000, 2020)",4153.9,HDD,
dec_hdd_p2_new,"US heating degree days, 2016-2025 weather, 2020 census weights",same,"s4 divisional files, s5 populations (1990, 2000, 2020)",4007.4,HDD,Equals NOAA national within 0.3 DD
dec_hdd_total,Change in heating degree days experienced by the average resident,dec_p2_new - dec_p1_old,"dec_hdd_p1_old, dec_hdd_p2_new",-516.9,HDD,
dec_hdd_total_pct,Percent change in heating degree days experienced by the average resident,total / dec_p1_old x 100,"dec_hdd_total, dec_hdd_p1_old",-11.4,percent,
dec_hdd_weather,Weather part of the heating change (average of the two weightings),((p2_new - p1_new) + (p2_old - p1_old)) / 2,dec_hdd_*,-364.7,HDD,Symmetric (Shapley) split; other splits give between -370.4 and -359.0
dec_hdd_pop,Population-shift part of the heating change (average of the two weather periods),((p1_new - p1_old) + (p2_new - p2_old)) / 2,dec_hdd_*,-152.2,HDD,Range -157.9 to -146.5
dec_hdd_pop_share,Population shift as a share of the heating change,pop part / total x 100,"dec_hdd_pop, dec_hdd_total",29.4,percent,Within-division moves are not captured
dec_hdd_w_a,Decomposition bound w_a for heating,see formula of weather/pop rows,dec_hdd_*,-359.0,HDD,Sensitivity bound
dec_hdd_w_b,Decomposition bound w_b for heating,see formula of weather/pop rows,dec_hdd_*,-370.4,HDD,Sensitivity bound
dec_hdd_p_a,Decomposition bound p_a for heating,see formula of weather/pop rows,dec_hdd_*,-157.9,HDD,Sensitivity bound
dec_hdd_p_b,Decomposition bound p_b for heating,see formula of weather/pop rows,dec_hdd_*,-146.5,HDD,Sensitivity bound
eia_cdd_p1,"EIA US CDD, mean 1991-2000",mean of 10 annual values,fact rows EIA CDD 1991-2000,1210.2,CDD,Same-year population weights
eia_cdd_p2,"EIA US CDD, mean 2016-2025",mean,fact rows EIA CDD 2016-2025,1527.2,CDD,
eia_cdd_pct,EIA US CDD percent change between decades,(p2/p1-1) x 100,"eia_cdd_p1, eia_cdd_p2",26.2,percent,Includes migration effect
eia_hdd_p1,"EIA US HDD, mean 1991-2000",mean,fact rows EIA HDD,4520.1,HDD,
eia_hdd_p2,"EIA US HDD, mean 2016-2025",mean,fact rows EIA HDD,3994.1,HDD,
eia_hdd_pct,EIA US HDD percent change between decades,(p2/p1-1) x 100,"eia_hdd_p1, eia_hdd_p2",-11.6,percent,
jja_chg,"Change in contiguous US June-August mean temperature, 1991-2000 to 2016-2025",mean JJA 2016-2025 minus mean JJA 1991-2000,"rows 593, 594",1.81,degrees F,Area-weighted
cpc_ratio,CPC 2025 CDD summed over 48 states divided by nClimDiv 2025 CDD summed,sum CPC / sum nClimDiv,"cpc rows, nClimDiv 2025 rows",0.909,ratio,Methods differ
cpc_spearman,"Rank correlation of 2025 state CDD, CPC vs nClimDiv",Spearman rho,"cpc rows, nClimDiv rows",0.991,rho,
cpc_samesign,States where CPC and nClimDiv agree 2026 Jan-Sep CDD was above or below normal,count,"cpc rows, derived *_cdd_26n",41,states,Different normals
n_up_25,States with 2025 CDD above their 1991-2020 normal,count,*_cdd_25n,48,states,
n_up_26,States with Jan-Sep 2026 CDD above Jan-Sep normal,count,*_cdd_26n,48,states,Preliminary
n_hdd_dn_25,States with 2025 HDD below their 1991-2020 normal,count,*_hdd_25n,45,states,
n_tot_up,States where total degree days (CDD+HDD) rose between decades,count,*_total_chg,5,states,
n_above_us,States whose CDD percent change exceeds the national figure,count,*_cdd_pct,30,states,
median_pct,Median state percent change in CDD,median of 48 values,*_cdd_pct,24.8,percent,
us_js_rank,"Rank of Jan-Sep 2026 CDD among Jan-Sep totals 1895-2026, contiguous US",rank of 132 years,s1 Jan-Sep sums,1,rank,Preliminary 2026
n_rec26,States whose Jan-Sep 2026 CDD is the highest Jan-Sep total since 1895,count,s1 Jan-Sep sums: AR AZ CO MS NM NV OK TX UT WY,10,states,Preliminary 2026
us_cdd_max,Highest contiguous US annual CDD 1895-2025 (year 2024),max,s1 code 110,1600,CDD,Year 2024
us_hdd_min,Lowest contiguous US annual HDD 1895-2025 (year 2024),min,s2 code 110,3721,HDD,Year 2024
w_pop2020_mae,"Mean absolute error, statewide CDD rebuilt from divisions with 2020 populations vs NOAA statewide (2000, 2015, 2025; 144 state-years)",mean |rebuilt - NOAA|,"s4, s5, s1",0.69,CDD,Three test years
w_pop2020_max,"Maximum absolute error, 2020 weights",max |rebuilt - NOAA|,"s4, s5, s1",3.7,CDD,
w_pop2010_mae,"Mean absolute error, statewide CDD rebuilt with 2010 populations",mean |rebuilt - NOAA|,"s4, s5, s1",4.79,CDD,
w_nat_err_max,"Largest absolute gap between division-built national CDD (2020 weights) and NOAA code 110, test years",max |rebuilt - NOAA|,"s4, s5, s1",1.3,CDD,
w_test_n,State-years in the weighting test,48 states x 3 years,s1,144,state-years,