| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.8 | 39.7 | 49.0 | 58.6 | 68.8 | 79.4 | 84.6 | 81.4 | 73.6 | 60.9 | 46.4 | 36.2 | 59.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.0 | 29.0 | 37.1 | 44.7 | 53.6 | 62.7 | 68.9 | 66.8 | 58.8 | 47.1 | 34.9 | 25.8 | 46.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.2 | 18.4 | 25.2 | 30.8 | 38.5 | 46.1 | 53.1 | 52.2 | 44.0 | 33.4 | 23.5 | 15.5 | 33.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.59 | 1.41 | 1.18 | 0.96 | 0.84 | 0.61 | 1.29 | 2.02 | 1.83 | 1.65 | 1.36 | 1.49 | 16.23 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1240. | 1007. | 865. | 609. | 355. | 109. | 11. | 25. | 196. | 553. | 901. | 1213. | 7085. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 42. | 130. | 81. | 10. | 0. | 0. | 0. | 265. |