| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.9 | 41.7 | 50.2 | 56.6 | 65.6 | 72.9 | 82.5 | 82.4 | 73.5 | 59.9 | 42.8 | 33.6 | 58.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.5 | 33.4 | 39.5 | 44.3 | 51.6 | 57.7 | 64.9 | 64.7 | 57.5 | 47.0 | 35.6 | 27.7 | 46.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.1 | 25.1 | 28.9 | 32.1 | 37.5 | 42.5 | 47.4 | 46.9 | 41.5 | 34.0 | 28.5 | 21.8 | 34.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.97 | 2.89 | 2.09 | 1.11 | 1.27 | 0.90 | 0.24 | 0.31 | 0.64 | 1.39 | 3.34 | 3.81 | 20.96 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1101. | 885. | 789. | 620. | 422. | 235. | 89. | 90. | 245. | 560. | 880. | 1156. | 7070. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 16. | 87. | 79. | 19. | 0. | 0. | 0. | 207. |