| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.3 | 42.1 | 51.0 | 58.1 | 66.9 | 74.9 | 83.9 | 82.1 | 74.4 | 62.1 | 46.1 | 36.4 | 59.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.0 | 31.9 | 38.9 | 44.4 | 52.7 | 59.6 | 67.0 | 65.0 | 56.9 | 46.5 | 35.2 | 27.2 | 46.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.8 | 21.6 | 26.8 | 30.8 | 38.5 | 44.3 | 50.2 | 48.0 | 39.5 | 30.9 | 24.4 | 18.1 | 32.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.95 | 0.76 | 0.99 | 0.98 | 1.38 | 0.71 | 0.39 | 0.22 | 0.45 | 0.73 | 1.30 | 1.11 | 9.97 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1145. | 928. | 809. | 616. | 386. | 188. | 52. | 71. | 251. | 574. | 892. | 1170. | 7084. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 26. | 115. | 73. | 10. | 0. | 0. | 0. | 228. |