| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.2 | 45.7 | 53.1 | 58.8 | 67.3 | 74.5 | 84.4 | 85.1 | 75.9 | 62.4 | 47.5 | 38.8 | 61.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.1 | 35.8 | 40.9 | 45.2 | 52.1 | 58.3 | 65.2 | 65.0 | 57.8 | 48.0 | 38.0 | 30.3 | 47.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.0 | 25.9 | 28.6 | 31.6 | 36.9 | 42.1 | 45.9 | 44.8 | 39.7 | 33.7 | 28.6 | 21.8 | 33.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.38 | 0.99 | 0.87 | 0.71 | 0.99 | 0.68 | 0.46 | 0.39 | 0.41 | 0.78 | 1.44 | 1.48 | 10.58 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 989. | 817. | 749. | 594. | 405. | 217. | 72. | 72. | 228. | 526. | 808. | 1076. | 6553. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 16. | 76. | 71. | 12. | 0. | 0. | 0. | 180. |