National Weather Service United States Department of Commerce
Seasonal Cooling Degree Days
1949-1968
Normals 1991-2020
Season Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
1949 0 0 8 47 277 428 526 431 278 75 2 0 2072
1950 0 2 11 97 260 457 480 479 285 153 13 0 2237
1951 0 2 10 69 282 517 621 578 368 163 1 3 2614
1952 1 0 5 40 261 518 509 645 297 78 11 0 2365
1953 0 0 32 53 299 619 607 535 364 103 0 0 2612
1954 0 0 36 162 181 450 573 546 400 140 0 2 2490
1955 0 0 24 165 269 435 491 492 347 103 3 1 2330
1956 0 8 22 92 361 546 547 508 356 143 0 0 2583
1957 0 7 4 64 172 405 575 546 263 64 1 0 2101
1958 0 0 0 38 233 501 601 535 310 60 1 0 2279
1959 0 1 4 99 270 422 412 510 355 53 3 0 2129
1960 0 0 10 100 263 531 490 498 323 131 6 0 2352
1961 0 0 3 114 282 389 411 423 270 90 0 0 1982
1962 0 9 10 103 397 422 537 569 294 161 1 0 2503
1963 0 0 46 188 318 434 580 536 343 197 11 0 2653
1964 0 0 2 134 338 562 686 692 359 85 38 4 2900
1965 1 0 0 131 220 426 561 465 316 69 11 0 2200
1966 0 0 25 34 219 398 601 441 244 48 0 1 2011
1967 0 0 46 142 256 456 498 401 201 72 1 0 2073
1968 0 0 8 25 201 381 424 449 237 128 0 0 1853
Average
1991-2020
0 4 33 120 334 530 600 566 343 129 13 0 2672