| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.8 | 38.2 | 45.9 | 55.3 | 65.0 | 75.4 | 81.8 | 78.3 | 71.1 | 57.5 | 42.4 | 33.4 | 56.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 23.8 | 27.6 | 34.9 | 43.1 | 51.5 | 61.4 | 68.2 | 65.3 | 58.0 | 45.7 | 32.0 | 23.6 | 44.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.8 | 17.0 | 24.0 | 30.9 | 37.9 | 47.4 | 54.6 | 52.4 | 44.8 | 33.9 | 21.5 | 13.9 | 32.8 |
| 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) | 1277. | 1047. | 932. | 657. | 420. | 146. | 21. | 44. | 223. | 598. | 991. | 1281. | 7638. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 37. | 120. | 55. | 11. | 0. | 0. | 0. | 223. |