| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.8 | 44.3 | 54.0 | 62.2 | 72.2 | 82.7 | 88.0 | 85.1 | 77.0 | 64.6 | 49.6 | 38.8 | 63.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.2 | 32.4 | 41.2 | 48.5 | 57.7 | 66.8 | 72.3 | 70.1 | 61.7 | 50.2 | 37.5 | 27.7 | 49.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 15.6 | 20.6 | 28.4 | 34.7 | 43.1 | 51.0 | 56.6 | 55.2 | 46.4 | 35.8 | 25.4 | 16.6 | 35.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.48 | 0.44 | 0.82 | 0.82 | 0.97 | 0.55 | 0.96 | 1.26 | 1.27 | 1.14 | 0.86 | 0.62 | 10.19 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1172. | 911. | 738. | 497. | 242. | 53. | 3. | 9. | 132. | 459. | 825. | 1156. | 6197. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 108. | 230. | 168. | 33. | 0. | 0. | 0. | 554. |