| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.5 | 30.6 | 35.5 | 42.3 | 51.8 | 63.3 | 71.7 | 70.7 | 61.0 | 48.9 | 36.2 | 30.0 | 47.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 22.5 | 22.8 | 27.4 | 33.8 | 42.4 | 52.6 | 60.7 | 59.7 | 50.7 | 39.9 | 28.0 | 22.1 | 38.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.5 | 15.1 | 19.3 | 25.2 | 33.0 | 41.8 | 49.6 | 48.7 | 40.5 | 30.9 | 19.8 | 14.3 | 29.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 6.06 | 5.03 | 7.39 | 5.04 | 3.92 | 2.26 | 1.79 | 1.82 | 3.04 | 4.23 | 5.44 | 8.21 | 54.23 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1318. | 1180. | 1166. | 937. | 701. | 374. | 148. | 171. | 428. | 778. | 1110. | 1328. | 9639. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 1. | 13. | 7. | 0. | 0. | 0. | 0. | 21. |