| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.9 | 44.7 | 51.6 | 57.9 | 66.9 | 77.3 | 87.7 | 86.6 | 78.0 | 65.4 | 48.7 | 40.2 | 62.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.8 | 33.9 | 40.0 | 45.5 | 53.6 | 62.4 | 71.1 | 69.3 | 60.6 | 49.7 | 37.1 | 30.0 | 48.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.7 | 23.1 | 28.4 | 33.1 | 40.3 | 47.5 | 54.4 | 52.0 | 43.1 | 34.0 | 25.4 | 19.9 | 35.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.51 | 1.24 | 1.34 | 1.27 | 1.20 | 0.66 | 0.20 | 0.27 | 0.43 | 0.88 | 1.74 | 1.82 | 12.56 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1060. | 871. | 775. | 585. | 363. | 138. | 22. | 30. | 170. | 476. | 838. | 1083. | 6413. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 60. | 210. | 163. | 36. | 2. | 0. | 0. | 481. |