| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 44.4 | 50.9 | 57.7 | 66.2 | 75.8 | 85.8 | 84.3 | 77.6 | 64.9 | 46.2 | 39.1 | 61.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.8 | 31.3 | 37.1 | 40.9 | 48.4 | 55.7 | 62.4 | 60.6 | 53.7 | 44.3 | 33.1 | 27.1 | 43.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.8 | 18.3 | 23.3 | 24.1 | 30.6 | 35.5 | 38.9 | 36.9 | 29.8 | 23.7 | 19.9 | 15.1 | 25.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1184. | 942. | 865. | 723. | 516. | 291. | 127. | 163. | 341. | 642. | 958. | 1175. | 7927. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 10. | 45. | 27. | 2. | 0. | 0. | 0. | 85. |