| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.9 | 46.5 | 52.8 | 59.6 | 68.3 | 75.4 | 84.0 | 84.0 | 75.3 | 60.3 | 46.2 | 40.1 | 61.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 36.5 | 38.9 | 43.3 | 48.4 | 55.3 | 61.4 | 67.7 | 67.2 | 60.1 | 49.7 | 40.3 | 35.4 | 50.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 31.0 | 31.3 | 33.9 | 37.2 | 42.4 | 47.4 | 51.4 | 50.4 | 44.9 | 39.1 | 34.4 | 30.7 | 39.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 6.32 | 4.89 | 5.19 | 4.30 | 3.30 | 2.04 | 0.86 | 0.84 | 1.45 | 3.53 | 7.47 | 8.13 | 48.32 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 885. | 731. | 671. | 498. | 312. | 143. | 33. | 36. | 170. | 474. | 741. | 917. | 5612. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 35. | 117. | 104. | 23. | 0. | 0. | 0. | 292. |