| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.7 | 37.0 | 44.7 | 51.7 | 62.1 | 72.6 | 81.0 | 79.3 | 70.7 | 57.5 | 42.5 | 33.6 | 55.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 22.1 | 24.1 | 31.7 | 37.9 | 47.8 | 57.4 | 64.2 | 62.0 | 53.4 | 41.6 | 29.3 | 21.3 | 41.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 9.4 | 11.3 | 18.7 | 24.0 | 33.6 | 42.2 | 47.4 | 44.7 | 36.1 | 25.7 | 16.1 | 9.1 | 26.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.33 | 0.39 | 0.70 | 1.19 | 1.81 | 1.44 | 1.40 | 1.34 | 1.04 | 0.91 | 0.50 | 0.38 | 11.43 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1331. | 1144. | 1032. | 814. | 532. | 236. | 66. | 113. | 349. | 725. | 1071. | 1353. | 8767. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 8. | 41. | 20. | 1. | 0. | 0. | 0. | 70. |