| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.2 | 45.2 | 50.1 | 57.8 | 67.2 | 76.9 | 81.0 | 78.5 | 73.0 | 62.8 | 51.6 | 43.3 | 60.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.0 | 29.6 | 34.8 | 41.4 | 48.6 | 56.2 | 63.2 | 62.0 | 55.1 | 44.9 | 34.8 | 27.4 | 43.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 10.9 | 14.0 | 19.6 | 25.0 | 30.0 | 35.6 | 45.5 | 45.5 | 37.2 | 26.9 | 18.1 | 11.4 | 26.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.12 | 2.33 | 2.26 | 1.27 | 0.62 | 0.42 | 2.38 | 3.47 | 2.56 | 1.89 | 1.81 | 2.03 | 23.16 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1176. | 991. | 935. | 708. | 509. | 267. | 88. | 109. | 298. | 625. | 904. | 1167. | 7778. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 5. | 34. | 16. | 1. | 0. | 0. | 0. | 56. |