| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.9 | 45.4 | 51.2 | 56.6 | 66.5 | 74.7 | 84.2 | 83.4 | 75.8 | 63.6 | 46.6 | 40.5 | 60.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.0 | 35.4 | 39.6 | 44.0 | 51.6 | 58.8 | 66.3 | 65.2 | 58.9 | 48.9 | 37.0 | 31.3 | 47.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.1 | 25.4 | 28.0 | 31.5 | 36.7 | 43.0 | 48.4 | 47.0 | 41.9 | 34.1 | 27.3 | 22.1 | 34.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.41 | 0.98 | 1.45 | 1.12 | 1.46 | 0.83 | 0.32 | 0.38 | 0.57 | 0.96 | 1.27 | 1.34 | 12.09 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 992. | 829. | 787. | 628. | 420. | 209. | 62. | 68. | 207. | 502. | 841. | 1044. | 6590. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 24. | 102. | 74. | 23. | 1. | 0. | 0. | 229. |