| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.5 | 34.8 | 46.1 | 55.9 | 65.9 | 76.3 | 85.8 | 84.3 | 73.5 | 60.0 | 43.7 | 31.5 | 57.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 20.4 | 23.6 | 34.7 | 43.6 | 52.5 | 60.8 | 68.9 | 67.3 | 57.4 | 46.0 | 33.5 | 22.8 | 44.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 10.4 | 12.4 | 23.2 | 31.2 | 39.1 | 45.4 | 51.9 | 50.2 | 41.3 | 32.1 | 23.3 | 14.2 | 31.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.66 | 3.11 | 3.29 | 3.03 | 3.32 | 1.81 | 0.94 | 1.16 | 2.10 | 3.14 | 3.29 | 3.72 | 32.57 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1381. | 1159. | 941. | 643. | 389. | 153. | 21. | 35. | 238. | 588. | 945. | 1307. | 7800. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 29. | 140. | 105. | 10. | 0. | 0. | 0. | 285. |