COOLING DEGREE DAY DATA MONTHLY SUMMARY POPULATION-WEIGHTED STATE,REGIONAL,AND NATIONAL AVERAGES CLIMATE PREDICTION CENTER-NCEP-NWS-NOAA MONTHLY DATA FOR MAY 2026 ACCUMULATIONS ARE FROM JANUARY 1, 2026 -999 = NORMAL LESS THAN 100 OR RATIO INCALCULABLE STATE MONTH MON MON CUM CUM CUM CUM CUM TOTAL DEV DEV TOTAL DEV DEV DEV DEV FROM FROM FROM FROM FROM FROM NORM L YR NORM L YR NORM L YR PRCT PRCT ALABAMA 209 31 -12 342 73 -3 27 -1 ALASKA 0 0 0 0 0 0 -999 -999 ARIZONA 237 -37 4 494 58 146 13 42 ARKANSAS 165 13 43 285 79 95 38 50 CALIFORNIA 17 -41 -21 54 -38 16 -999 -999 COLORADO 15 11 7 15 11 7 -999 -999 CONNECTICUT 31 13 27 36 18 32 -999 -999 DELAWARE 102 45 7 144 85 32 -999 -999 DISTRCT COLUMBIA 116 9 9 215 83 23 63 12 FLORIDA 406 54 -4 958 81 -1 9 0 GEORGIA 210 51 12 323 90 30 39 10 HAWAII 406 49 -43 1586 204 -231 15 -13 IDAHO 17 3 -10 17 2 -10 -999 -999 ILLINOIS 65 -5 39 83 9 57 -999 -999 INDIANA 44 -31 22 71 -10 47 -999 -999 IOWA 83 15 33 94 21 44 -999 -999 KANSAS 108 10 77 147 27 108 23 277 KENTUCKY 116 22 27 180 66 67 58 59 LOUISIANA 262 -23 -40 616 120 19 24 3 MAINE 7 5 7 7 5 7 -999 -999 MARYLAND 71 10 16 117 53 43 -999 -999 MASSACHUSETTS 34 25 28 34 25 28 -999 -999 MICHIGAN 20 -21 10 21 -21 11 -999 -999 MINNESOTA 45 7 6 45 5 6 -999 -999 MISSISSIPPI 251 42 -13 492 164 36 50 8 MISSOURI 85 -10 52 138 25 99 22 254 MONTANA 18 13 8 18 13 8 -999 -999 NEBRASKA 92 21 38 106 28 49 -999 -999 NEVADA 147 -16 -7 229 -9 32 -4 16 NEW HAMPSHIRE 15 7 12 15 7 12 -999 -999 NEW JERSEY 58 25 37 89 56 67 -999 -999 NEW MEXICO 65 9 18 84 20 27 -999 -999 NEW YORK 44 20 38 55 31 49 -999 -999 NORTH CAROLINA 153 42 1 236 95 9 67 4 NORTH DAKOTA 51 22 8 51 20 8 -999 -999 OHIO 31 -26 16 50 -10 35 -999 -999 OKLAHOMA 169 21 66 304 104 164 52 117 OREGON 9 4 3 9 4 3 -999 -999 PENNSYLVANIA 41 3 29 61 22 49 -999 -999 RHODE ISLAND 26 19 24 26 19 24 -999 -999 SOUTH CAROLINA 215 44 1 360 118 38 49 12 SOUTH DAKOTA 62 17 18 72 24 28 -999 -999 TENNESSEE 148 37 33 226 84 58 59 35 TEXAS 297 14 -43 737 243 59 49 9 UTAH 25 0 -13 30 1 -8 -999 -999 VERMONT 10 -2 6 10 -2 6 -999 -999 VIRGINIA 107 40 6 165 90 23 -999 -999 WASHINGTON 14 9 10 14 9 10 -999 -999 WEST VIRGINIA 72 18 18 109 50 42 -999 -999 WISCONSIN 18 -13 11 18 -14 11 -999 -999 WYOMING 10 4 4 10 4 4 -999 -999 REGION NEW ENGLAND 27 21 23 29 23 24 -999 -999 MIDDLE ATLANTIC 46 23 35 64 41 53 -999 -999 E N CENTRAL 38 -11 21 52 1 35 -999 -999 W N CENTRAL 76 11 37 100 26 58 -999 -999 SOUTH ATLANTIC 226 49 4 453 93 19 26 4 E S CENTRAL 174 38 12 290 98 41 51 16 W S CENTRAL 267 15 -23 634 208 68 49 12 MOUNTAIN 99 3 2 183 38 48 26 36 PACIFIC 16 -20 -15 45 -11 14 -999 -999 UNITED STATES 111 14 9 217 55 37 34 21