| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.4 | 45.4 | 53.4 | 60.3 | 68.5 | 77.3 | 87.3 | 86.7 | 79.0 | 65.9 | 48.6 | 39.0 | 62.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.1 | 32.7 | 38.9 | 43.6 | 51.0 | 58.2 | 65.6 | 63.6 | 55.9 | 46.1 | 35.5 | 27.7 | 45.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.9 | 20.0 | 24.4 | 26.9 | 33.5 | 39.0 | 43.8 | 40.6 | 32.8 | 26.2 | 22.4 | 16.3 | 28.7 |
| 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) | 1111. | 904. | 809. | 642. | 436. | 222. | 65. | 95. | 278. | 587. | 885. | 1158. | 7192. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 16. | 82. | 53. | 5. | 0. | 0. | 0. | 158. |