| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.7 | 38.6 | 42.4 | 47.3 | 55.2 | 63.5 | 74.8 | 75.6 | 68.4 | 55.9 | 41.2 | 34.8 | 52.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.0 | 29.7 | 33.7 | 37.6 | 44.1 | 51.2 | 59.2 | 58.9 | 52.5 | 43.4 | 33.6 | 27.3 | 41.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.2 | 20.8 | 25.1 | 27.9 | 33.0 | 38.9 | 43.7 | 42.2 | 36.5 | 30.8 | 25.9 | 19.9 | 30.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.43 | 3.98 | 3.18 | 1.96 | 2.05 | 1.45 | 0.80 | 0.82 | 1.15 | 2.75 | 4.93 | 5.95 | 34.45 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1149. | 988. | 969. | 822. | 648. | 415. | 194. | 203. | 379. | 671. | 943. | 1167. | 8549. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 1. | 16. | 14. | 3. | 0. | 0. | 0. | 33. |