| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.8 | 48.7 | 53.8 | 59.3 | 66.8 | 72.4 | 80.4 | 80.9 | 75.1 | 62.7 | 50.4 | 43.9 | 61.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.7 | 41.9 | 45.6 | 49.7 | 56.1 | 61.1 | 67.2 | 67.3 | 62.9 | 53.7 | 44.7 | 39.0 | 52.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 34.6 | 35.2 | 37.3 | 40.1 | 45.5 | 49.7 | 54.0 | 53.8 | 50.8 | 44.8 | 39.0 | 34.0 | 43.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 17.01 | 12.97 | 12.34 | 9.08 | 5.41 | 4.10 | 1.24 | 1.65 | 3.85 | 9.11 | 18.65 | 17.33 | 112.74 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 784. | 645. | 603. | 461. | 294. | 160. | 55. | 48. | 119. | 354. | 609. | 807. | 4939. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 19. | 42. | 123. | 121. | 58. | 5. | 0. | 0. | 368. |