| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.7 | 37.0 | 46.5 | 55.3 | 64.4 | 72.5 | 83.9 | 83.9 | 74.2 | 60.1 | 42.4 | 30.7 | 56.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 19.3 | 23.1 | 33.1 | 40.9 | 48.4 | 55.7 | 63.1 | 61.9 | 53.1 | 42.5 | 30.8 | 19.9 | 41.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 8.0 | 9.2 | 19.7 | 26.5 | 32.4 | 38.9 | 42.2 | 40.0 | 32.1 | 25.0 | 19.3 | 9.2 | 25.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.74 | 1.81 | 1.94 | 1.78 | 2.34 | 1.85 | 0.86 | 0.78 | 0.92 | 1.55 | 2.70 | 3.09 | 22.36 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1415. | 1173. | 989. | 723. | 515. | 286. | 106. | 128. | 358. | 696. | 1025. | 1396. | 8811. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 7. | 46. | 33. | 3. | 0. | 0. | 0. | 90. |