| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.5 | 47.4 | 54.3 | 60.4 | 68.8 | 77.6 | 88.2 | 88.2 | 78.8 | 65.4 | 49.7 | 41.7 | 63.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.9 | 36.1 | 41.7 | 46.7 | 54.3 | 61.5 | 68.9 | 68.2 | 59.8 | 49.4 | 38.9 | 32.0 | 49.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.4 | 24.8 | 29.1 | 32.9 | 39.7 | 45.4 | 49.6 | 48.3 | 40.7 | 33.4 | 28.1 | 22.4 | 34.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.98 | 0.75 | 1.27 | 1.39 | 1.90 | 1.43 | 0.60 | 0.64 | 0.63 | 0.99 | 1.35 | 1.24 | 13.17 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 994. | 809. | 722. | 551. | 344. | 151. | 37. | 39. | 190. | 484. | 783. | 1021. | 6126. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 46. | 158. | 140. | 32. | 1. | 0. | 0. | 388. |