| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.2 | 45.3 | 51.3 | 57.5 | 65.3 | 73.9 | 84.2 | 84.1 | 75.0 | 62.4 | 48.3 | 40.0 | 60.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.8 | 34.7 | 39.6 | 44.7 | 51.6 | 58.2 | 65.6 | 65.4 | 57.7 | 48.3 | 38.0 | 30.9 | 47.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.5 | 24.0 | 27.9 | 31.8 | 37.8 | 42.5 | 47.0 | 46.6 | 40.4 | 34.2 | 27.8 | 21.8 | 33.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.57 | 1.42 | 1.80 | 1.90 | 2.17 | 1.62 | 0.83 | 0.83 | 0.65 | 1.42 | 1.97 | 1.76 | 17.94 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1028. | 850. | 787. | 611. | 422. | 223. | 72. | 73. | 237. | 518. | 809. | 1057. | 6684. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 19. | 90. | 83. | 18. | 0. | 0. | 0. | 215. |