| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 14.3 | 21.6 | 34.5 | 54.3 | 68.4 | 76.1 | 80.6 | 79.2 | 68.2 | 53.0 | 33.7 | 18.7 | 50.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 5.6 | 12.2 | 25.4 | 42.5 | 55.4 | 64.4 | 68.6 | 67.1 | 57.1 | 43.4 | 26.4 | 10.7 | 40.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | -3.2 | 2.8 | 16.3 | 30.6 | 42.4 | 52.6 | 56.6 | 55.0 | 45.9 | 33.8 | 19.1 | 2.7 | 29.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1843. | 1478. | 1227. | 678. | 318. | 98. | 31. | 57. | 265. | 671. | 1158. | 1683. | 9508. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 20. | 78. | 143. | 122. | 27. | 1. | 0. | 0. | 392. |