| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.7 | 54.1 | 59.0 | 63.4 | 69.9 | 75.3 | 83.5 | 84.2 | 79.3 | 67.2 | 54.5 | 48.0 | 65.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.8 | 45.1 | 48.5 | 51.9 | 57.3 | 62.1 | 67.8 | 67.8 | 63.2 | 55.1 | 47.2 | 41.8 | 54.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 35.9 | 36.1 | 38.1 | 40.4 | 44.8 | 49.0 | 52.2 | 51.5 | 47.0 | 43.0 | 39.9 | 35.6 | 42.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 7.17 | 5.59 | 5.01 | 3.94 | 2.79 | 1.36 | 0.44 | 0.62 | 1.27 | 3.34 | 7.84 | 8.55 | 47.92 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 688. | 557. | 510. | 394. | 252. | 121. | 29. | 26. | 99. | 310. | 534. | 719. | 4238. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 15. | 35. | 117. | 114. | 43. | 3. | 0. | 0. | 328. |