| Month |
Temperatures (°F) |
Precipitation (in) |
Degree Days |
| Min |
Max |
Avg |
Heating |
Cooling |
| Jan | 18 | 34 | 26 | 2.38 | 1218 | 0 |
| Feb | 20 | 38 | 29 | 2.09 | 1009 | 0 |
| Mar | 29 | 49 | 39 | 2.84 | 808 | 0 |
| Apr | 38 | 61 | 49 | 3.49 | 470 | 1 |
| May | 49 | 72 | 61 | 4.34 | 205 | 68 |
| Jun | 59 | 81 | 70 | 4.44 | 32 | 173 |
| Jul | 62 | 85 | 73 | 5.04 | 1 | 262 |
| Aug | 60 | 83 | 71 | 3.69 | 16 | 208 |
| Sep | 52 | 76 | 64 | 2.92 | 89 | 65 |
| Oct | 41 | 64 | 53 | 2.8 | 396 | 6 |
| Nov | 33 | 50 | 42 | 3.09 | 702 | 0 |
| Dec | 24 | 39 | 31 | 2.88 | 1052 | 0 |
| Year | 40 | 61 | 51 | 40 | 5998 | 783 |
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