| Month |
Temperatures (°F) |
Precipitation (in) |
Degree Days |
| Min |
Max |
Avg |
Heating |
Cooling |
| Jan | 25 | 42 | 34 | 3.49 | 969 | 0 |
| Feb | 28 | 48 | 38 | 3.88 | 762 | 0 |
| Mar | 36 | 58 | 47 | 4.41 | 559 | 1 |
| Apr | 44 | 68 | 56 | 4.16 | 272 | 15 |
| May | 54 | 77 | 66 | 4.84 | 98 | 114 |
| Jun | 64 | 85 | 74 | 3.83 | 4 | 281 |
| Jul | 68 | 89 | 79 | 4.15 | 0 | 419 |
| Aug | 67 | 87 | 77 | 3.27 | 1 | 373 |
| Sep | 59 | 81 | 70 | 3.68 | 30 | 185 |
| Oct | 47 | 70 | 59 | 3.21 | 238 | 38 |
| Nov | 39 | 58 | 48 | 4.51 | 507 | 3 |
| Dec | 30 | 47 | 39 | 4.64 | 820 | 0 |
| Year | 47 | 68 | 57 | 48.07 | 4260 | 1429 |
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