| Month |
Temperatures (°F) |
Precipitation (in) |
Degree Days |
| Min |
Max |
Avg |
Heating |
Cooling |
| Jan | 39 | 62 | 51 | 4.68 | 470 | 4 |
| Feb | 41 | 66 | 54 | 3.62 | 333 | 10 |
| Mar | 48 | 73 | 60 | 4.45 | 194 | 38 |
| Apr | 54 | 79 | 66 | 3.13 | 49 | 88 |
| May | 62 | 86 | 74 | 3.26 | 3 | 272 |
| Jun | 69 | 91 | 80 | 5.49 | 0 | 445 |
| Jul | 72 | 94 | 83 | 5.96 | 0 | 548 |
| Aug | 71 | 92 | 81 | 5.65 | 0 | 503 |
| Sep | 67 | 87 | 77 | 4.46 | 0 | 357 |
| Oct | 56 | 80 | 68 | 3 | 56 | 143 |
| Nov | 47 | 72 | 60 | 2.71 | 210 | 48 |
| Dec | 40 | 64 | 52 | 3.12 | 409 | 12 |
| Year | 55 | 79 | 67 | 49.53 | 1724 | 2468 |
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