| Month |
Temperatures (°F) |
Precipitation (in) |
Degree Days |
| Min |
Max |
Avg |
Heating |
Cooling |
| Jan | 30 | 51 | 41 | 5.8 | 759 | 0 |
| Feb | 32 | 56 | 44 | 5.16 | 581 | 0 |
| Mar | 39 | 65 | 52 | 7.06 | 408 | 6 |
| Apr | 46 | 73 | 60 | 5.78 | 185 | 24 |
| May | 56 | 81 | 68 | 4.99 | 51 | 148 |
| Jun | 64 | 88 | 76 | 3.74 | 1 | 321 |
| Jul | 67 | 91 | 79 | 4.52 | 0 | 444 |
| Aug | 66 | 91 | 78 | 3.93 | 0 | 411 |
| Sep | 59 | 85 | 72 | 4.61 | 12 | 225 |
| Oct | 47 | 76 | 61 | 3.04 | 163 | 52 |
| Nov | 40 | 65 | 52 | 4.97 | 398 | 8 |
| Dec | 33 | 54 | 44 | 5.43 | 663 | 0 |
| Year | 48 | 73 | 61 | 59.03 | 3221 | 1639 |
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