| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.9 | 37.7 | 50.7 | 60.4 | 69.4 | 78.9 | 85.9 | 83.5 | 74.3 | 60.9 | 44.9 | 32.3 | 59.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 20.5 | 26.3 | 37.8 | 45.9 | 54.8 | 63.5 | 70.5 | 68.2 | 59.2 | 47.1 | 33.2 | 21.6 | 45.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 9.1 | 14.8 | 24.9 | 31.3 | 40.1 | 48.0 | 55.0 | 53.0 | 44.1 | 33.3 | 21.6 | 10.9 | 32.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.56 | 0.56 | 0.57 | 0.79 | 1.01 | 0.69 | 0.61 | 0.84 | 1.36 | 1.22 | 0.61 | 0.60 | 9.42 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1379. | 1085. | 843. | 574. | 323. | 102. | 11. | 19. | 188. | 555. | 952. | 1345. | 7377. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 56. | 180. | 119. | 14. | 0. | 0. | 0. | 374. |