| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.5 | 40.3 | 50.3 | 58.5 | 68.5 | 77.5 | 86.9 | 86.2 | 74.6 | 60.5 | 45.3 | 34.9 | 60.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 24.0 | 27.8 | 36.6 | 44.4 | 54.1 | 62.5 | 70.1 | 68.6 | 58.0 | 46.1 | 33.5 | 23.9 | 45.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 12.5 | 15.3 | 23.0 | 30.3 | 39.7 | 47.5 | 53.2 | 50.9 | 41.4 | 31.8 | 21.7 | 12.8 | 31.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.46 | 0.54 | 0.70 | 1.59 | 2.26 | 1.83 | 0.95 | 0.63 | 1.09 | 1.19 | 0.59 | 0.48 | 12.31 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1271. | 1041. | 879. | 618. | 347. | 130. | 23. | 35. | 237. | 585. | 945. | 1275. | 7388. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 55. | 179. | 145. | 27. | 1. | 0. | 0. | 417. |