| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.2 | 54.0 | 58.3 | 63.5 | 70.9 | 78.7 | 87.7 | 87.0 | 80.4 | 68.0 | 53.5 | 47.6 | 66.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.0 | 41.8 | 45.1 | 49.2 | 55.8 | 62.2 | 68.9 | 68.0 | 61.5 | 51.9 | 42.6 | 38.1 | 52.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.9 | 29.7 | 31.9 | 34.9 | 40.7 | 45.8 | 50.1 | 49.0 | 42.7 | 35.9 | 31.7 | 28.7 | 37.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.26 | 1.89 | 2.03 | 1.77 | 1.68 | 0.84 | 0.49 | 0.52 | 0.67 | 1.41 | 3.00 | 3.44 | 20.00 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 804. | 648. | 617. | 475. | 298. | 127. | 26. | 31. | 139. | 406. | 672. | 832. | 5076. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 13. | 44. | 147. | 124. | 36. | 1. | 0. | 0. | 366. |