| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.4 | 37.8 | 49.2 | 58.8 | 69.0 | 78.9 | 87.8 | 86.4 | 76.1 | 62.9 | 46.6 | 33.7 | 60.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 20.1 | 24.7 | 36.2 | 44.3 | 53.9 | 62.3 | 70.3 | 68.1 | 58.0 | 46.4 | 32.8 | 21.3 | 45.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 6.8 | 11.6 | 23.1 | 29.8 | 38.8 | 45.7 | 52.7 | 49.7 | 39.8 | 29.9 | 19.0 | 8.9 | 29.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.34 | 0.43 | 0.71 | 0.85 | 1.23 | 0.98 | 0.55 | 0.68 | 0.90 | 0.81 | 0.41 | 0.44 | 8.33 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1392. | 1128. | 895. | 621. | 348. | 126. | 20. | 32. | 225. | 577. | 966. | 1354. | 7683. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 45. | 182. | 126. | 13. | 0. | 0. | 0. | 370. |