HEATING DEGREE DAY DATA MONTHLY SUMMARY POPULATION-WEIGHTED STATE,REGIONAL,AND NATIONAL AVERAGES CLIMATE PREDICTION CENTER-NCEP-NWS-NOAA MONTHLY DATA FOR DEC 2025 ACCUMULATIONS ARE FROM JUL 1, 2025 -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 566 -47 40 982 -109 181 -10 23 ARIZONA 331 -181 -35 573 -236 -207 -29 -27 ARKANSAS 668 -75 45 1113 -240 112 -18 11 CALIFORNIA 337 -179 -42 709 -256 -136 -27 -16 COLORADO 891 -306 -86 2253 -588 -124 -21 -5 CONNECTICUT 1105 86 91 2214 -9 244 0 12 DELAWARE 952 112 93 1750 103 213 6 14 FLORIDA 105 -59 -21 178 -47 9 -21 5 GEORGIA 562 -59 -10 1001 -119 113 -11 13 IDAHO 898 -309 -123 2298 -558 -300 -20 -12 ILLINOIS 1191 32 148 2232 -139 305 -6 16 INDIANA 1086 21 132 2116 -55 314 -3 17 IOWA 1289 1 138 2429 -271 195 -10 9 KANSAS 878 -131 -13 1633 -320 19 -16 1 KENTUCKY 865 -12 78 1645 -70 225 -4 16 LOUISIANA 403 -27 40 630 -61 108 -9 21 MAINE 1380 121 172 2919 -76 348 -3 14 MARYLAND 942 80 86 1741 39 213 2 14 MASSACHUSETTS 1134 87 93 2364 38 238 2 11 MICHIGAN 1249 99 176 2554 -4 410 0 19 MINNESOTA 1556 66 205 3083 -292 289 -9 10 MISSISSIPPI 499 -61 42 809 -169 123 -17 18 MISSOURI 921 -97 45 1674 -322 88 -16 6 MONTANA 1083 -218 11 2871 -456 -71 -14 -2 NEBRASKA 1006 -209 -7 2021 -538 28 -21 1 NEVADA 537 -262 -87 1060 -482 -355 -31 -25 NEW HAMPSHIRE 1324 118 128 2829 -58 314 -2 12 NEW JERSEY 1045 114 95 1990 36 247 2 14 NEW MEXICO 661 -244 -87 1425 -449 -190 -24 -12 NEW YORK 1145 107 109 2321 88 284 4 14 NORTH CAROLINA 724 23 43 1329 3 154 0 13 NORTH DAKOTA 1573 -10 129 3247 -461 111 -12 4 OHIO 1112 69 151 2214 8 361 0 19 OKLAHOMA 643 -155 7 1075 -361 16 -25 2 OREGON 693 -149 -44 1852 -248 -211 -12 -10 PENNSYLVANIA 1121 117 110 2242 78 261 4 13 RHODE ISLAND 1087 100 99 2203 57 244 3 12 SOUTH CAROLINA 581 -17 7 1023 -46 119 -4 13 SOUTH DAKOTA 1212 -147 27 2538 -488 10 -16 0 TENNESSEE 745 -46 44 1365 -155 170 -10 14 TEXAS 343 -134 56 493 -267 57 -35 13 UTAH 877 -304 -153 2200 -421 -301 -16 -12 VERMONT 1408 163 154 3127 227 371 8 13 VIRGINIA 880 42 68 1667 -27 201 -2 14 WASHINGTON 763 -130 -58 2134 -169 -209 -7 -9 WEST VIRGINIA 962 10 62 1964 -44 232 -2 13 WISCONSIN 1384 71 183 2748 -161 370 -6 16 WYOMING 996 -322 -68 2662 -620 -134 -19 -5 POPULATION WEIGHTED REGION NEW ENGLAND 1168 96 105 2419 16 265 1 12 MIDDLE ATLANTIC 1114 107 102 2220 67 262 3 13 E N CENTRAL 1193 59 157 2338 -68 349 -3 18 W N CENTRAL 1173 -59 87 2254 -343 125 -13 6 SOUTH ATLANTIC 545 -10 18 1005 -30 117 -3 13 E S CENTRAL 688 -39 54 1240 -127 181 -9 17 W S CENTRAL 411 -118 52 625 -254 70 -29 13 MOUNTAIN 696 -242 -73 1614 -408 -203 -20 -11 PACIFIC 424 -171 -46 998 -241 -157 -19 -14 UNITED STATES 776 -38 51 1532 -132 115 -8 8 BOTTLED TANK LP GAS HEATING WEIGHTED REGION NEW ENGLAND 1235 111 121 2577 -13 284 -1 12 MIDDLE ATLANTIC 1120 107 104 2239 69 266 3 13 E N CENTRAL 1212 62 161 2396 -72 351 -3 17 W N CENTRAL 1190 -51 92 2296 -330 137 -13 6 SOUTH ATLANTIC 668 4 32 1217 -42 138 -3 13 E S CENTRAL 648 -45 50 1152 -136 172 -11 18 W S CENTRAL 462 -115 44 722 -259 63 -26 10 MOUNTAIN 797 -226 -53 1895 -404 -143 -18 -7 PACIFIC 426 -170 -46 1003 -238 -156 -19 -13 UNITED STATES 877 -30 68 1719 -145 153 -8 10 COAL AND COKE HEATING WEIGHTED REGION NEW ENGLAND 1193 102 115 2473 2 266 0 12 MIDDLE ATLANTIC 1122 109 105 2251 75 259 3 13 E N CENTRAL 1133 53 149 2238 -26 348 -1 18 W N CENTRAL 1428 -21 122 2876 -407 136 -12 5 SOUTH ATLANTIC 902 33 66 1762 -14 211 -1 14 E S CENTRAL 829 -20 74 1559 -92 210 -6 16 W S CENTRAL 421 -111 47 648 -245 66 -27 11 MOUNTAIN 893 -260 -73 2223 -450 -168 -17 -7 PACIFIC 524 -156 -45 1331 -229 -164 -15 -11 UNITED STATES 1069 64 93 2160 -4 228 0 12 NO FUEL USED POPULATION WEIGHTED REGION NEW ENGLAND 1193 102 111 2487 10 261 0 12 MIDDLE ATLANTIC 1125 109 107 2256 76 272 3 14 E N CENTRAL 1201 59 156 2353 -78 343 -3 17 W N CENTRAL 1322 -17 128 2585 -332 175 -11 7 SOUTH ATLANTIC 274 -42 -5 492 -44 49 -8 11 E S CENTRAL 680 -43 52 1221 -136 178 -10 17 W S CENTRAL 375 -124 54 560 -253 69 -31 14 MOUNTAIN 522 -208 -49 1123 -311 -187 -22 -14 PACIFIC 347 -180 -45 741 -258 -141 -26 -16 UNITED STATES 515 -98 7 1023 -174 -4 -15 0 ELECTRICITY HEATING WEIGHTED REGION NEW ENGLAND 1148 95 100 2359 19 243 1 11 MIDDLE ATLANTIC 1116 112 107 2222 67 269 3 14 E N CENTRAL 1165 52 151 2281 -62 337 -3 17 W N CENTRAL 1120 -72 74 2145 -342 118 -14 6 SOUTH ATLANTIC 440 -24 9 802 -45 90 -5 13 E S CENTRAL 687 -39 53 1236 -130 179 -10 17 W S CENTRAL 396 -113 51 601 -246 72 -29 14 MOUNTAIN 545 -222 -62 1188 -351 -221 -23 -16 PACIFIC 499 -163 -50 1257 -232 -166 -16 -12 UNITED STATES 597 -64 25 1149 -141 68 -11 6 OTHER FUEL HEATING WEIGHTED REGION NEW ENGLAND 1195 101 109 2486 3 259 0 12 MIDDLE ATLANTIC 1130 111 107 2264 75 271 3 14 E N CENTRAL 1204 61 158 2380 -73 346 -3 17 W N CENTRAL 1301 -29 114 2544 -342 156 -12 7 SOUTH ATLANTIC 772 26 50 1448 -14 169 -1 13 E S CENTRAL 738 -37 59 1356 -122 186 -8 16 W S CENTRAL 498 -131 36 792 -291 50 -27 7 MOUNTAIN 789 -239 -61 1884 -433 -168 -19 -8 PACIFIC 494 -164 -49 1230 -242 -164 -16 -12 UNITED STATES 974 -14 70 1974 -143 139 -7 8 SOLAR ENERGY HEATING WEIGHTED REGION NEW ENGLAND 1190 99 112 2468 0 259 0 12 MIDDLE ATLANTIC 1125 108 104 2253 72 270 3 14 E N CENTRAL 1186 56 156 2324 -68 343 -3 17 W N CENTRAL 1169 -61 83 2249 -339 122 -13 6 SOUTH ATLANTIC 508 -11 17 944 -28 107 -3 13 E S CENTRAL 765 -25 68 1418 -101 209 -7 17 W S CENTRAL 415 -113 49 637 -248 73 -28 13 MOUNTAIN 725 -252 -72 1693 -447 -175 -21 -9 PACIFIC 385 -178 -43 861 -258 -149 -23 -15 UNITED STATES 695 -105 9 1447 -220 5 -13 0 UTILITY GAS CUSTOMER HEATING WEIGHTED REGION NEW ENGLAND 1137 90 98 2344 22 243 1 12 MIDDLE ATLANTIC 1110 110 101 2209 69 262 3 13 E N CENTRAL 1196 58 156 2342 -74 348 -3 17 W N CENTRAL 1184 -53 90 2277 -335 136 -13 6 SOUTH ATLANTIC 721 10 34 1332 -34 155 -2 13 E S CENTRAL 699 -38 52 1269 -123 182 -9 17 W S CENTRAL 427 -119 48 661 -253 70 -28 12 MOUNTAIN 737 -263 -86 1764 -448 -200 -20 -10 PACIFIC 396 -172 -44 899 -248 -151 -22 -14 UNITED STATES 860 -36 56 1716 -141 126 -8 8 FUEL OIL, KEROSENE, ETC HEATING WEIGHTED REGION NEW ENGLAND 1191 101 115 2464 0 272 0 12 MIDDLE ATLANTIC 1126 109 104 2254 74 270 3 14 E N CENTRAL 1212 66 163 2415 -58 369 -2 18 W N CENTRAL 1431 6 151 2842 -340 214 -11 8 SOUTH ATLANTIC 829 49 60 1546 17 187 1 14 E S CENTRAL 774 -32 60 1439 -110 198 -7 16 W S CENTRAL 420 -113 52 640 -255 66 -28 11 MOUNTAIN 1267 55 96 2864 44 221 2 8 PACIFIC 646 -150 -52 1728 -221 -193 -11 -10 UNITED STATES 1108 85 103 2244 18 257 1 13 WOOD BURNING HEATING WEIGHTED REGION NEW ENGLAND 1262 109 132 2643 -29 293 -1 12 MIDDLE ATLANTIC 1132 113 109 2272 84 273 4 14 E N CENTRAL 1227 68 161 2451 -57 370 -2 18 W N CENTRAL 1137 -56 86 2166 -322 139 -13 7 SOUTH ATLANTIC 764 15 42 1444 -23 172 -2 14 E S CENTRAL 724 -35 58 1320 -127 187 -9 17 W S CENTRAL 541 -102 40 870 -250 73 -22 9 MOUNTAIN 832 -210 -44 1977 -375 -133 -16 -6 PACIFIC 531 -159 -47 1356 -237 -165 -15 -11 UNITED STATES 892 -36 51 1840 -152 107 -8 6