| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.4 | 40.3 | 49.1 | 57.2 | 66.1 | 75.2 | 83.8 | 82.3 | 72.1 | 59.5 | 45.2 | 36.0 | 58.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.9 | 29.2 | 37.5 | 45.0 | 53.7 | 62.2 | 69.9 | 68.4 | 58.9 | 47.4 | 35.0 | 25.9 | 46.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.4 | 18.2 | 25.9 | 32.8 | 41.3 | 49.2 | 56.1 | 54.5 | 45.6 | 35.3 | 24.9 | 15.8 | 34.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.33 | 0.33 | 0.56 | 1.06 | 1.82 | 1.68 | 1.11 | 0.91 | 1.06 | 0.89 | 0.48 | 0.33 | 10.56 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1181. | 1001. | 853. | 600. | 358. | 138. | 25. | 36. | 218. | 547. | 898. | 1212. | 7067. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 54. | 179. | 141. | 33. | 2. | 0. | 0. | 417. |