| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.9 | 35.7 | 37.9 | 42.1 | 49.3 | 54.7 | 63.3 | 64.5 | 58.1 | 47.9 | 37.3 | 33.8 | 46.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.7 | 28.9 | 30.8 | 34.0 | 40.5 | 45.5 | 53.0 | 54.2 | 48.9 | 40.1 | 31.0 | 27.4 | 38.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.5 | 22.1 | 23.7 | 25.9 | 31.8 | 36.2 | 42.7 | 43.9 | 39.7 | 32.3 | 24.7 | 21.1 | 30.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 18.24 | 12.69 | 12.56 | 8.30 | 5.89 | 4.11 | 1.95 | 1.97 | 4.71 | 10.43 | 20.28 | 17.17 | 118.30 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1125. | 1011. | 1060. | 930. | 759. | 589. | 383. | 350. | 487. | 773. | 1020. | 1164. | 9651. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 2. | 11. | 16. | 4. | 1. | 0. | 0. | 34. |