| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.7 | 44.3 | 52.7 | 60.1 | 70.3 | 81.0 | 88.5 | 86.4 | 77.8 | 64.5 | 50.3 | 40.3 | 63.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.7 | 29.7 | 37.5 | 44.0 | 53.0 | 62.1 | 69.9 | 67.8 | 58.5 | 46.7 | 35.1 | 25.9 | 46.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 10.7 | 15.1 | 22.2 | 27.9 | 35.7 | 43.2 | 51.3 | 49.2 | 39.3 | 28.8 | 19.8 | 11.5 | 29.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.64 | 0.93 | 0.86 | 0.90 | 1.05 | 0.72 | 1.07 | 1.54 | 0.82 | 1.35 | 0.89 | 0.85 | 11.62 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1218. | 988. | 854. | 630. | 376. | 136. | 15. | 25. | 207. | 569. | 898. | 1212. | 7130. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 49. | 167. | 112. | 13. | 0. | 0. | 0. | 346. |