| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.3 | 44.0 | 49.0 | 54.8 | 64.4 | 73.9 | 82.7 | 82.3 | 75.2 | 63.8 | 49.3 | 40.4 | 60.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.8 | 30.0 | 34.8 | 39.7 | 47.5 | 54.9 | 61.7 | 61.0 | 54.5 | 45.3 | 34.8 | 27.6 | 43.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.3 | 16.1 | 20.6 | 24.5 | 30.5 | 35.9 | 40.6 | 39.7 | 33.8 | 26.8 | 20.3 | 14.8 | 26.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.14 | 4.98 | 4.35 | 2.16 | 1.30 | 0.73 | 0.28 | 0.43 | 0.87 | 1.82 | 3.83 | 5.35 | 31.24 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1153. | 978. | 936. | 760. | 544. | 306. | 129. | 141. | 316. | 611. | 906. | 1159. | 7941. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 3. | 25. | 17. | 1. | 0. | 0. | 0. | 47. |