| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.4 | 42.9 | 51.2 | 58.3 | 66.7 | 74.7 | 85.4 | 85.7 | 76.2 | 62.3 | 46.2 | 37.6 | 60.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.4 | 34.4 | 40.8 | 46.7 | 54.4 | 61.7 | 69.6 | 69.0 | 60.0 | 48.7 | 38.0 | 30.7 | 48.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.5 | 25.9 | 30.4 | 35.1 | 42.1 | 48.7 | 53.8 | 52.3 | 43.7 | 35.2 | 29.9 | 23.7 | 37.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.63 | 1.14 | 1.46 | 1.58 | 1.99 | 1.54 | 0.68 | 0.85 | 0.67 | 1.29 | 2.03 | 1.66 | 16.52 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1040. | 857. | 750. | 549. | 339. | 149. | 32. | 37. | 186. | 504. | 808. | 1065. | 6316. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 50. | 175. | 161. | 35. | 0. | 0. | 0. | 431. |