| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.2 | 41.2 | 46.5 | 52.8 | 61.9 | 70.2 | 80.1 | 80.2 | 73.5 | 60.3 | 42.7 | 35.7 | 56.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.3 | 32.3 | 36.5 | 41.5 | 48.9 | 55.6 | 63.4 | 62.8 | 56.4 | 46.8 | 35.3 | 29.3 | 45.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.3 | 23.5 | 26.4 | 30.1 | 36.0 | 41.1 | 46.8 | 45.5 | 39.4 | 33.3 | 27.8 | 23.0 | 33.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.52 | 3.63 | 3.24 | 2.46 | 2.09 | 1.12 | 0.59 | 0.44 | 0.78 | 1.89 | 4.80 | 5.89 | 31.45 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1077. | 914. | 885. | 706. | 499. | 289. | 104. | 110. | 264. | 564. | 892. | 1105. | 7411. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 8. | 56. | 43. | 8. | 0. | 0. | 0. | 117. |