| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.9 | 50.1 | 55.5 | 60.4 | 67.1 | 72.4 | 79.6 | 80.6 | 74.9 | 63.5 | 51.4 | 44.3 | 62.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 37.9 | 40.1 | 43.9 | 47.6 | 53.3 | 58.1 | 62.9 | 62.8 | 58.0 | 50.1 | 42.4 | 36.7 | 49.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.9 | 30.0 | 32.4 | 34.7 | 39.5 | 43.7 | 46.3 | 45.1 | 41.1 | 36.7 | 33.3 | 29.0 | 36.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 11.58 | 9.05 | 8.63 | 6.95 | 5.41 | 4.33 | 1.25 | 1.51 | 3.41 | 7.07 | 13.06 | 11.79 | 84.04 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 840. | 699. | 653. | 524. | 367. | 223. | 111. | 107. | 220. | 462. | 679. | 879. | 5764. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 15. | 47. | 41. | 10. | 1. | 0. | 0. | 117. |