| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.9 | 46.1 | 54.2 | 61.0 | 67.5 | 75.2 | 84.3 | 84.9 | 76.5 | 63.8 | 48.8 | 39.7 | 62.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.7 | 36.9 | 43.7 | 48.8 | 55.5 | 62.8 | 70.3 | 69.8 | 61.5 | 51.4 | 39.9 | 32.6 | 50.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 27.6 | 27.7 | 33.2 | 36.7 | 43.4 | 50.4 | 56.3 | 54.8 | 46.6 | 39.0 | 31.1 | 25.5 | 39.4 |
| 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) | 938. | 787. | 661. | 485. | 311. | 127. | 27. | 22. | 154. | 426. | 751. | 1004. | 5694. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 15. | 61. | 191. | 172. | 51. | 5. | 0. | 0. | 496. |