| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.9 | 37.5 | 52.0 | 63.4 | 72.8 | 81.7 | 92.8 | 91.8 | 80.9 | 64.8 | 45.4 | 32.4 | 62.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 23.3 | 28.0 | 40.4 | 49.4 | 57.6 | 65.5 | 74.1 | 72.5 | 62.2 | 49.4 | 35.9 | 24.9 | 48.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 15.8 | 18.6 | 28.9 | 35.5 | 42.3 | 49.3 | 55.4 | 53.2 | 43.5 | 34.0 | 26.4 | 17.4 | 35.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.89 | 2.34 | 2.10 | 1.43 | 1.70 | 1.19 | 0.39 | 0.42 | 0.70 | 1.28 | 2.73 | 3.81 | 20.98 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1291. | 1035. | 761. | 467. | 250. | 80. | 9. | 13. | 136. | 484. | 873. | 1243. | 6643. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 95. | 291. | 246. | 52. | 1. | 0. | 0. | 704. |