| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.1 | 36.5 | 47.4 | 56.4 | 66.5 | 77.5 | 86.8 | 85.0 | 72.8 | 58.5 | 42.8 | 31.8 | 58.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 21.7 | 25.2 | 35.5 | 43.9 | 53.3 | 63.0 | 71.2 | 69.6 | 58.6 | 45.6 | 31.2 | 20.7 | 45.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 10.2 | 13.9 | 23.6 | 31.3 | 40.1 | 48.4 | 55.6 | 54.3 | 44.4 | 32.7 | 19.7 | 9.6 | 32.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.41 | 0.58 | 1.16 | 1.87 | 2.20 | 1.27 | 0.78 | 0.61 | 1.05 | 1.29 | 0.86 | 0.58 | 12.66 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1344. | 1114. | 915. | 635. | 368. | 126. | 16. | 24. | 219. | 602. | 1012. | 1373. | 7746. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 64. | 208. | 168. | 27. | 0. | 0. | 0. | 472. |