| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 28.0 | 33.1 | 42.7 | 50.8 | 60.7 | 69.5 | 78.9 | 79.1 | 69.1 | 54.9 | 37.8 | 26.8 | 52.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 15.1 | 18.4 | 28.2 | 36.3 | 45.2 | 52.7 | 59.2 | 58.3 | 49.4 | 38.8 | 25.0 | 14.7 | 36.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 2.1 | 3.7 | 13.7 | 21.8 | 29.7 | 36.0 | 39.5 | 37.6 | 29.8 | 22.7 | 12.2 | 2.6 | 21.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.06 | 0.76 | 0.95 | 1.29 | 1.97 | 2.01 | 1.64 | 1.36 | 1.30 | 1.47 | 1.21 | 1.40 | 16.42 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1548. | 1305. | 1141. | 861. | 614. | 369. | 193. | 212. | 467. | 812. | 1200. | 1559. | 10280. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 1. | 13. | 6. | 0. | 0. | 0. | 0. | 20. |