| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.0 | 42.4 | 52.9 | 62.3 | 70.9 | 79.6 | 89.7 | 89.7 | 79.7 | 65.0 | 45.0 | 34.1 | 62.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.6 | 31.4 | 39.9 | 47.0 | 54.4 | 61.6 | 68.5 | 67.3 | 58.7 | 47.7 | 35.3 | 26.0 | 47.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.2 | 20.4 | 26.8 | 31.8 | 37.8 | 43.6 | 47.4 | 44.8 | 37.6 | 30.4 | 25.5 | 17.9 | 31.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.69 | 2.48 | 2.68 | 2.10 | 1.89 | 1.39 | 0.58 | 0.51 | 0.97 | 1.71 | 3.70 | 4.82 | 26.52 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1190. | 941. | 780. | 539. | 336. | 141. | 32. | 40. | 207. | 537. | 892. | 1209. | 6843. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 39. | 142. | 110. | 17. | 0. | 0. | 0. | 313. |