| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.8 | 54.6 | 59.4 | 64.3 | 71.2 | 76.5 | 84.3 | 85.0 | 80.2 | 67.9 | 54.3 | 48.1 | 66.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 43.6 | 46.3 | 49.6 | 52.9 | 58.3 | 62.8 | 68.3 | 68.5 | 64.4 | 56.4 | 47.8 | 42.5 | 55.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 37.4 | 37.9 | 39.8 | 41.5 | 45.5 | 49.2 | 52.3 | 52.0 | 48.7 | 44.9 | 41.3 | 36.8 | 44.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 7.84 | 6.03 | 5.59 | 3.98 | 2.63 | 1.20 | 0.34 | 0.41 | 1.18 | 3.10 | 8.67 | 9.52 | 50.49 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 663. | 525. | 477. | 364. | 223. | 102. | 19. | 11. | 70. | 272. | 516. | 699. | 3942. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 17. | 37. | 121. | 120. | 53. | 5. | 0. | 0. | 356. |