| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.1 | 46.9 | 55.8 | 63.1 | 72.5 | 82.4 | 91.8 | 91.0 | 81.7 | 68.8 | 52.3 | 41.8 | 66.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.5 | 33.7 | 40.8 | 46.2 | 54.3 | 62.1 | 69.7 | 68.6 | 59.9 | 49.3 | 37.3 | 29.1 | 48.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.9 | 20.4 | 25.9 | 29.4 | 36.0 | 41.8 | 47.6 | 46.2 | 38.0 | 29.7 | 22.3 | 16.5 | 30.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.24 | 1.27 | 1.07 | 0.89 | 0.94 | 0.59 | 0.33 | 0.21 | 0.50 | 0.70 | 1.36 | 1.78 | 10.88 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1100. | 878. | 749. | 562. | 340. | 131. | 23. | 29. | 180. | 489. | 831. | 1111. | 6424. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 44. | 168. | 141. | 26. | 0. | 0. | 0. | 386. |