| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.1 | 40.3 | 49.8 | 58.0 | 68.9 | 79.8 | 87.0 | 83.7 | 74.3 | 60.3 | 45.7 | 36.1 | 60.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.8 | 30.5 | 39.2 | 45.9 | 55.6 | 65.7 | 72.7 | 70.1 | 61.2 | 48.7 | 36.0 | 27.0 | 48.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.5 | 20.8 | 28.5 | 33.8 | 42.2 | 51.5 | 58.4 | 56.5 | 48.1 | 37.2 | 26.3 | 17.9 | 36.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.03 | 1.05 | 0.96 | 1.24 | 1.25 | 1.03 | 1.22 | 1.27 | 1.89 | 1.70 | 0.67 | 0.81 | 14.12 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1184. | 964. | 801. | 573. | 306. | 80. | 9. | 13. | 150. | 504. | 870. | 1178. | 6634. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 100. | 247. | 171. | 36. | 1. | 0. | 0. | 568. |