| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.3 | 47.9 | 57.4 | 65.6 | 76.2 | 86.5 | 92.0 | 88.6 | 80.5 | 67.8 | 53.5 | 43.6 | 67.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.3 | 35.1 | 43.0 | 49.9 | 58.9 | 67.9 | 74.0 | 71.6 | 63.4 | 52.0 | 39.7 | 30.9 | 51.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.3 | 22.3 | 28.5 | 34.1 | 41.5 | 49.2 | 56.1 | 54.5 | 46.3 | 36.2 | 25.9 | 18.2 | 35.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.00 | 0.78 | 0.82 | 0.48 | 0.52 | 0.46 | 0.86 | 1.66 | 1.08 | 1.29 | 0.56 | 0.66 | 10.17 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1076. | 837. | 684. | 455. | 210. | 41. | 1. | 5. | 98. | 404. | 759. | 1057. | 5626. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 127. | 282. | 208. | 50. | 1. | 0. | 0. | 686. |