| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.3 | 35.8 | 42.8 | 51.4 | 60.9 | 69.6 | 80.1 | 80.2 | 70.4 | 57.1 | 39.3 | 30.1 | 54.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 21.9 | 24.6 | 31.6 | 39.0 | 47.3 | 54.6 | 61.8 | 60.8 | 52.1 | 42.0 | 30.1 | 21.5 | 40.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 12.5 | 13.4 | 20.3 | 26.6 | 33.8 | 39.5 | 43.4 | 41.4 | 33.8 | 26.8 | 20.9 | 12.9 | 27.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.90 | 2.42 | 2.47 | 2.01 | 2.52 | 2.24 | 0.83 | 0.81 | 1.22 | 1.80 | 3.16 | 3.34 | 25.72 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1336. | 1131. | 1037. | 780. | 548. | 317. | 133. | 154. | 389. | 715. | 1047. | 1348. | 8934. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 4. | 32. | 24. | 2. | 0. | 0. | 0. | 62. |