National Weather Service United States Department of Commerce
Seasonal Cooling Degree Days
1969-1988
Normals 1991-2020
Season Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
1969 0 0 0 66 170 402 597 559 286 97 5 0 2182
1970 0 0 0 37 205 389 542 467 301 59 0 1 2001
1971 0 0 19 59 245 410 491 301 256 47 3 0 1831
1972 0 0 31 187 183 423 446 338 249 88 0 0 1945
1973 0 0 0 18 178 368 414 437 229 88 5 0 1737
1974 0 0 58 109 394 488 575 455 136 50 5 0 2270
1975 0 0 10 80 220 466 404 439 217 86 5 0 1927
1976 0 10 21 68 155 398 344 434 219 22 0 0 1671
1977 0 0 9 21 359 522 584 638 518 112 1 0 2764
1978 0 0 38 139 260 401 531 438 233 30 0 0 2070
1979 0 0 5 43 216 383 539 442 314 167 0 0 2109
1980 0 0 0 17 166 514 600 498 260 33 2 0 2090
1981 0 0 0 71 188 428 583 480 327 135 0 0 2212
1982 0 3 20 84 204 429 543 556 374 111 1 0 2325
1983 0 0 5 64 227 439 588 599 401 151 11 0 2485
1984 0 0 10 69 296 447 500 482 267 39 2 0 2112
1985 0 1 26 115 311 376 505 599 310 56 3 0 2302
1986 0 13 13 147 259 371 496 460 286 38 0 0 2083
1987 0 0 0 39 151 328 487 511 251 86 7 0 1860
1988 0 0 13 51 198 414 397 452 242 52 22 0 1841
Average
1991-2020
0 4 33 120 334 530 600 566 343 129 13 0 2672