| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 25.8 | 32.8 | 43.3 | 50.5 | 60.0 | 68.6 | 79.1 | 78.8 | 69.4 | 56.2 | 37.8 | 24.4 | 52.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 12.1 | 15.8 | 26.5 | 35.0 | 43.7 | 50.9 | 57.4 | 56.1 | 47.9 | 38.2 | 24.3 | 11.3 | 35.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | -1.7 | -1.1 | 9.8 | 19.4 | 27.4 | 33.1 | 35.7 | 33.4 | 26.4 | 20.1 | 10.8 | -1.8 | 17.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.28 | 1.44 | 1.18 | 1.01 | 0.91 | 0.87 | 0.47 | 0.40 | 0.44 | 0.84 | 1.68 | 1.73 | 12.25 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1641. | 1376. | 1192. | 901. | 660. | 425. | 242. | 279. | 513. | 832. | 1221. | 1665. | 10948. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 6. | 3. | 0. | 0. | 0. | 0. | 9. |