| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.4 | 36.7 | 46.8 | 55.6 | 65.2 | 73.7 | 77.0 | 74.9 | 69.1 | 59.2 | 44.7 | 33.3 | 55.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 17.5 | 22.1 | 31.9 | 39.5 | 48.9 | 56.7 | 61.4 | 59.7 | 52.6 | 42.7 | 29.5 | 18.7 | 40.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 2.6 | 7.5 | 17.0 | 23.5 | 32.6 | 39.8 | 45.8 | 44.5 | 36.2 | 26.1 | 14.2 | 4.1 | 24.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.39 | 0.36 | 0.83 | 0.83 | 0.83 | 0.75 | 1.56 | 1.88 | 1.18 | 0.83 | 0.57 | 0.55 | 10.56 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1472. | 1201. | 1026. | 763. | 499. | 249. | 117. | 167. | 370. | 693. | 1066. | 1435. | 9060. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 1. | 6. | 2. | 0. | 0. | 0. | 0. | 9. |