| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.2 | 44.0 | 51.4 | 58.8 | 67.3 | 75.7 | 84.7 | 84.3 | 76.9 | 64.8 | 47.7 | 39.0 | 61.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.8 | 32.3 | 38.0 | 43.3 | 49.8 | 56.4 | 63.4 | 62.6 | 55.7 | 46.4 | 36.0 | 28.9 | 45.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.5 | 20.7 | 24.7 | 27.8 | 32.3 | 37.2 | 42.0 | 40.8 | 34.6 | 28.1 | 24.3 | 18.8 | 29.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.06 | 2.36 | 1.89 | 1.35 | 1.37 | 0.67 | 0.42 | 0.42 | 0.59 | 1.21 | 2.98 | 4.46 | 20.78 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1121. | 914. | 836. | 651. | 472. | 265. | 100. | 112. | 282. | 575. | 870. | 1119. | 7317. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 9. | 49. | 36. | 5. | 0. | 0. | 0. | 99. |