| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.4 | 40.7 | 44.6 | 50.3 | 59.5 | 68.6 | 77.2 | 76.8 | 69.5 | 58.9 | 46.8 | 39.6 | 56.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.4 | 30.5 | 34.2 | 38.8 | 46.5 | 54.0 | 61.1 | 60.8 | 54.5 | 45.6 | 36.1 | 29.9 | 43.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.4 | 20.3 | 23.8 | 27.4 | 33.5 | 39.4 | 45.1 | 44.8 | 39.5 | 32.3 | 25.4 | 20.2 | 31.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.89 | 5.69 | 4.72 | 2.09 | 1.39 | 0.71 | 0.20 | 0.34 | 0.78 | 2.07 | 4.41 | 5.97 | 34.26 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1104. | 966. | 955. | 784. | 573. | 331. | 134. | 140. | 315. | 601. | 867. | 1088. | 7858. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 1. | 14. | 9. | 0. | 0. | 0. | 0. | 25. |