HEATING DEGREE DAY DATA MONTHLY SUMMARY POPULATION-WEIGHTED STATE,REGIONAL,AND NATIONAL AVERAGES CLIMATE PREDICTION CENTER-NCEP-NWS-NOAA MONTHLY DATA FOR MAY 2025 ACCUMULATIONS ARE FROM JUL 1, 2024 -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 16 -8 14 2373 -395 0 -14 0 ARIZONA 35 19 15 2166 211 -114 11 -5 ARKANSAS 30 -4 30 3002 -383 14 -11 0 CALIFORNIA 117 2 -29 2506 -49 -71 -2 -3 COLORADO 367 30 -30 6487 -362 -59 -5 -1 CONNECTICUT 178 -57 25 5487 -525 336 -9 7 DELAWARE 79 -40 -10 4386 -155 290 -3 7 FLORIDA 0 0 0 554 -69 53 -11 11 GEORGIA 24 -9 18 2511 -342 12 -12 0 IDAHO 328 4 -152 6581 -98 -147 -1 -2 ILLINOIS 185 5 135 5647 -495 622 -8 12 INDIANA 167 8 127 5282 -383 548 -7 12 IOWA 182 -6 74 6293 -499 577 -7 10 KANSAS 89 -3 52 4758 -120 326 -2 7 KENTUCKY 90 -3 68 4111 -336 298 -8 8 LOUISIANA 2 1 2 1704 -60 -174 -3 -9 MAINE 361 -22 79 7290 -631 567 -8 8 MARYLAND 75 -37 6 4301 -270 276 -6 7 MASSACHUSETTS 235 -39 18 5949 -357 393 -6 7 MICHIGAN 303 38 160 6369 -366 627 -5 11 MINNESOTA 279 -17 32 7814 -580 714 -7 10 MISSISSIPPI 6 -7 6 2108 -381 -106 -15 -5 MISSOURI 90 -11 70 4599 -453 397 -9 9 MONTANA 405 -5 -129 7671 5 36 0 0 NEBRASKA 159 -15 35 5684 -614 126 -10 2 NEVADA 90 -8 -42 3494 -172 -230 -5 -6 NEW HAMPSHIRE 299 -47 87 6971 -534 736 -7 12 NEW JERSEY 132 -45 8 4927 -370 301 -7 7 NEW MEXICO 187 62 40 4408 -97 -133 -2 -3 NEW YORK 214 -18 68 5732 -369 380 -6 7 NORTH CAROLINA 33 -26 20 3162 -271 158 -8 5 NORTH DAKOTA 305 -30 -36 8512 -488 540 -5 7 OHIO 203 8 140 5441 -385 594 -7 12 OKLAHOMA 36 -2 33 3305 -288 106 -8 3 OREGON 364 42 -52 5187 217 80 4 2 PENNSYLVANIA 177 -24 65 5481 -238 469 -4 9 RHODE ISLAND 214 -37 11 5553 -340 328 -6 6 SOUTH CAROLINA 15 -12 12 2477 -268 125 -10 5 SOUTH DAKOTA 270 8 13 7071 -333 340 -4 5 TENNESSEE 60 -8 45 3468 -411 96 -11 3 TEXAS 3 -1 3 1567 -344 -143 -18 -8 UTAH 314 46 -151 6467 102 -135 2 -2 VERMONT 332 20 121 7448 -128 663 -2 10 VIRGINIA 72 -44 20 4019 -406 233 -9 6 WASHINGTON 372 61 -41 5704 436 47 8 1 WEST VIRGINIA 139 -24 76 4820 -374 401 -7 9 WISCONSIN 315 31 133 6940 -497 736 -7 12 WYOMING 433 11 -95 7552 -200 -23 -3 0 POPULATION WEIGHTED REGION NEW ENGLAND 235 -42 31 6031 -433 433 -7 8 MIDDLE ATLANTIC 184 -26 51 5481 -330 396 -6 8 E N CENTRAL 226 16 141 5847 -433 615 -7 12 W N CENTRAL 171 -13 48 6035 -451 478 -7 9 SOUTH ATLANTIC 33 -20 12 2487 -237 128 -9 5 E S CENTRAL 45 -12 35 3112 -395 75 -11 2 W S CENTRAL 9 1 9 1880 -313 -106 -14 -5 MOUNTAIN 219 22 -35 4837 -42 -86 -1 -2 PACIFIC 175 15 -29 3178 55 -23 2 -1 UNITED STATES 136 -3 32 4039 -264 207 -6 5 BOTTLED TANK LP GAS HEATING WEIGHTED REGION NEW ENGLAND 267 -42 50 6411 -479 526 -7 9 MIDDLE ATLANTIC 188 -23 55 5521 -321 400 -5 8 E N CENTRAL 245 24 144 6011 -418 640 -7 12 W N CENTRAL 177 -12 50 6113 -459 480 -7 9 SOUTH ATLANTIC 38 -26 15 2984 -297 139 -9 5 E S CENTRAL 37 -9 29 2893 -394 39 -12 1 W S CENTRAL 14 -2 13 2150 -313 -71 -13 -3 MOUNTAIN 257 23 -27 5436 -95 -31 -2 -1 PACIFIC 177 17 -26 3188 62 -21 2 -1 UNITED STATES 149 3 48 4473 -304 269 -6 6 COAL AND COKE HEATING WEIGHTED REGION NEW ENGLAND 251 -43 38 6184 -449 453 -7 8 MIDDLE ATLANTIC 185 -21 67 5533 -257 456 -4 9 E N CENTRAL 205 15 138 5556 -380 600 -6 12 W N CENTRAL 261 -19 5 7570 -493 531 -6 8 SOUTH ATLANTIC 100 -28 42 4314 -332 323 -7 8 E S CENTRAL 80 -9 60 3914 -354 247 -8 7 W S CENTRAL 9 -1 9 1943 -298 -94 -13 -5 MOUNTAIN 319 23 -76 6328 -82 -35 -1 -1 PACIFIC 234 30 -33 3905 145 -4 4 0 UNITED STATES 182 -18 54 5386 -295 394 -5 8 NO FUEL USED POPULATION WEIGHTED REGION NEW ENGLAND 246 -45 35 6206 -425 477 -6 8 MIDDLE ATLANTIC 198 -19 58 5573 -339 390 -6 8 E N CENTRAL 235 19 143 5910 -421 627 -7 12 W N CENTRAL 218 -12 43 6770 -496 542 -7 9 SOUTH ATLANTIC 14 -6 8 1294 -124 87 -9 7 E S CENTRAL 44 -10 34 3059 -394 68 -11 2 W S CENTRAL 6 2 6 1716 -320 -121 -16 -7 MOUNTAIN 130 17 -7 3535 63 -100 2 -3 PACIFIC 126 4 -29 2593 -34 -58 -1 -2 UNITED STATES 114 5 6 2979 -150 72 -5 2 ELECTRICITY HEATING WEIGHTED REGION NEW ENGLAND 224 -47 25 5909 -415 413 -7 8 MIDDLE ATLANTIC 181 -25 55 5457 -321 400 -6 8 E N CENTRAL 212 11 136 5706 -418 607 -7 12 W N CENTRAL 155 -15 48 5763 -464 433 -7 8 SOUTH ATLANTIC 22 -13 7 2010 -209 97 -9 5 E S CENTRAL 44 -12 34 3098 -401 69 -11 2 W S CENTRAL 7 2 7 1805 -316 -127 -15 -7 MOUNTAIN 144 18 -19 3754 47 -114 1 -3 PACIFIC 224 26 -33 3748 113 -7 3 0 UNITED STATES 87 -5 15 3083 -216 110 -7 4 OTHER FUEL HEATING WEIGHTED REGION NEW ENGLAND 250 -44 40 6213 -440 478 -7 8 MIDDLE ATLANTIC 198 -20 62 5586 -337 403 -6 8 E N CENTRAL 243 22 145 5972 -417 638 -7 12 W N CENTRAL 213 -14 42 6707 -489 526 -7 9 SOUTH ATLANTIC 62 -25 18 3552 -298 209 -8 6 E S CENTRAL 59 -8 45 3413 -381 147 -10 5 W S CENTRAL 18 -4 17 2398 -317 -29 -12 -1 MOUNTAIN 262 22 -42 5449 -109 -63 -2 -1 PACIFIC 219 22 -37 3698 105 -6 3 0 UNITED STATES 198 3 46 5164 -284 325 -5 7 SOLAR ENERGY HEATING WEIGHTED REGION NEW ENGLAND 250 -44 36 6183 -444 453 -7 8 MIDDLE ATLANTIC 194 -21 58 5560 -331 405 -6 8 E N CENTRAL 225 16 138 5826 -420 610 -7 12 W N CENTRAL 169 -14 44 6022 -444 456 -7 8 SOUTH ATLANTIC 33 -18 12 2336 -214 139 -8 6 E S CENTRAL 61 -9 46 3527 -376 163 -10 5 W S CENTRAL 9 2 9 1893 -312 -106 -14 -5 MOUNTAIN 242 35 -10 5048 -112 -83 -2 -2 PACIFIC 152 13 -27 2875 8 -43 0 -1 UNITED STATES 164 6 14 4057 -180 113 -4 3 UTILITY GAS CUSTOMER HEATING WEIGHTED REGION NEW ENGLAND 224 -46 21 5883 -395 401 -6 7 MIDDLE ATLANTIC 181 -27 51 5452 -324 390 -6 8 E N CENTRAL 230 18 142 5864 -430 613 -7 12 W N CENTRAL 173 -11 51 6076 -452 482 -7 9 SOUTH ATLANTIC 46 -26 16 3276 -300 169 -8 5 E S CENTRAL 49 -12 38 3181 -392 99 -11 3 W S CENTRAL 10 -2 10 1974 -318 -94 -14 -5 MOUNTAIN 245 20 -50 5225 -97 -107 -2 -2 PACIFIC 156 14 -31 2953 23 -42 1 -1 UNITED STATES 160 -4 40 4528 -276 267 -6 6 FUEL OIL, KEROSENE, ETC HEATING WEIGHTED REGION NEW ENGLAND 247 -44 41 6141 -469 441 -7 8 MIDDLE ATLANTIC 197 -18 61 5563 -333 398 -6 8 E N CENTRAL 249 22 142 6015 -423 628 -7 12 W N CENTRAL 251 -16 29 7347 -545 591 -7 9 SOUTH ATLANTIC 60 -31 15 3759 -283 228 -7 6 E S CENTRAL 66 -7 50 3609 -373 176 -9 5 W S CENTRAL 9 0 9 1921 -318 -96 -14 -5 MOUNTAIN 322 19 69 7077 -125 482 -2 7 PACIFIC 313 44 -42 4831 256 30 6 1 UNITED STATES 204 -22 48 5579 -352 401 -6 8 WOOD BURNING HEATING WEIGHTED REGION NEW ENGLAND 286 -39 55 6588 -519 525 -7 9 MIDDLE ATLANTIC 195 -18 64 5588 -295 421 -5 8 E N CENTRAL 259 26 145 6118 -413 629 -6 11 W N CENTRAL 156 -15 55 5780 -458 483 -7 9 SOUTH ATLANTIC 62 -25 26 3511 -316 209 -8 6 E S CENTRAL 55 -9 41 3316 -392 119 -11 4 W S CENTRAL 21 -3 20 2511 -312 -40 -11 -2 MOUNTAIN 262 23 -29 5595 -71 -2 -1 0 PACIFIC 244 29 -38 3977 138 -14 4 0 UNITED STATES 190 3 35 4839 -239 264 -5 6