| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.1 | 43.6 | 52.4 | 59.8 | 67.5 | 75.3 | 85.3 | 84.7 | 76.4 | 62.4 | 46.2 | 35.8 | 60.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.8 | 35.2 | 41.6 | 46.8 | 53.8 | 60.4 | 67.9 | 67.2 | 59.0 | 48.4 | 37.1 | 29.9 | 48.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.4 | 26.7 | 30.8 | 33.8 | 40.1 | 45.5 | 50.6 | 49.7 | 41.6 | 34.5 | 28.0 | 24.0 | 35.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.06 | 1.95 | 1.48 | 1.00 | 1.02 | 0.47 | 0.10 | 0.28 | 0.53 | 1.41 | 2.73 | 3.19 | 17.22 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1062. | 836. | 725. | 546. | 353. | 166. | 41. | 52. | 198. | 513. | 837. | 1088. | 6417. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 28. | 132. | 120. | 18. | 0. | 0. | 0. | 304. |