| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 29.6 | 32.2 | 37.8 | 44.0 | 51.3 | 66.0 | 71.5 | 67.9 | 59.8 | 47.5 | 36.7 | 28.8 | 47.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 19.8 | 21.8 | 26.7 | 32.2 | 39.3 | 50.6 | 56.7 | 55.1 | 47.3 | 36.5 | 26.8 | 19.1 | 36.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 10.0 | 11.4 | 15.6 | 20.4 | 27.2 | 35.2 | 41.9 | 42.2 | 34.8 | 25.4 | 16.9 | 9.5 | 24.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.69 | 4.01 | 4.08 | 3.12 | 1.51 | 1.15 | 2.46 | 2.89 | 2.10 | 3.11 | 2.70 | 3.60 | 34.42 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1401. | 1210. | 1187. | 984. | 798. | 432. | 259. | 309. | 531. | 885. | 1146. | 1421. | 10563. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 1. | 0. | 0. | 0. | 0. | 0. | 2. |