| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.3 | 44.1 | 52.7 | 59.2 | 67.9 | 74.6 | 84.8 | 85.1 | 76.1 | 62.6 | 46.5 | 37.6 | 61.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.8 | 35.4 | 41.7 | 45.7 | 52.9 | 59.2 | 66.7 | 65.9 | 58.7 | 48.5 | 37.8 | 30.8 | 48.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 26.3 | 26.8 | 30.7 | 32.2 | 37.8 | 43.7 | 48.6 | 46.8 | 41.3 | 34.3 | 29.1 | 23.9 | 35.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.52 | 1.73 | 1.37 | 0.98 | 0.96 | 0.60 | 0.18 | 0.34 | 0.62 | 1.10 | 2.41 | 2.50 | 15.31 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 998. | 827. | 723. | 579. | 386. | 204. | 66. | 72. | 210. | 513. | 816. | 1061. | 6455. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 29. | 118. | 101. | 21. | 0. | 0. | 0. | 279. |