| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.4 | 49.9 | 55.8 | 61.4 | 69.4 | 76.8 | 87.0 | 86.5 | 77.9 | 66.2 | 51.4 | 42.4 | 64.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.2 | 41.3 | 45.7 | 49.9 | 56.5 | 62.7 | 69.4 | 69.0 | 61.8 | 53.2 | 43.5 | 36.8 | 52.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 33.0 | 32.7 | 35.7 | 38.4 | 43.6 | 48.5 | 51.8 | 51.4 | 45.7 | 40.2 | 35.6 | 31.1 | 40.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.44 | 1.36 | 1.36 | 1.49 | 1.87 | 1.32 | 0.53 | 0.51 | 0.68 | 1.32 | 1.74 | 1.62 | 15.24 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 800. | 664. | 597. | 454. | 279. | 122. | 33. | 32. | 138. | 369. | 645. | 876. | 5007. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 15. | 51. | 170. | 154. | 42. | 3. | 0. | 0. | 436. |