| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.5 | 46.3 | 56.1 | 64.1 | 73.2 | 80.5 | 89.5 | 88.8 | 79.1 | 64.5 | 49.1 | 39.1 | 64.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.1 | 38.4 | 46.3 | 53.1 | 61.5 | 68.4 | 75.9 | 74.9 | 65.7 | 53.3 | 41.9 | 33.9 | 54.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.6 | 30.5 | 36.4 | 42.1 | 49.8 | 56.2 | 62.2 | 61.1 | 52.4 | 42.2 | 34.6 | 28.8 | 43.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.39 | 0.98 | 0.79 | 0.65 | 0.69 | 0.48 | 0.12 | 0.22 | 0.44 | 0.68 | 1.20 | 1.61 | 9.25 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 928. | 745. | 581. | 360. | 157. | 35. | 3. | 4. | 72. | 365. | 694. | 962. | 4907. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 49. | 136. | 339. | 312. | 94. | 4. | 0. | 0. | 937. |