| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.6 | 38.3 | 41.4 | 45.6 | 52.7 | 59.3 | 68.3 | 69.3 | 63.4 | 52.9 | 40.9 | 35.3 | 50.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.1 | 32.0 | 34.7 | 38.0 | 43.9 | 50.1 | 57.4 | 58.1 | 53.3 | 44.5 | 35.2 | 30.0 | 42.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.6 | 25.6 | 27.9 | 30.4 | 35.2 | 40.8 | 46.4 | 46.9 | 43.2 | 36.2 | 29.5 | 24.6 | 34.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 12.48 | 9.37 | 8.54 | 7.39 | 5.69 | 4.06 | 1.23 | 1.19 | 3.35 | 7.17 | 13.49 | 13.32 | 87.28 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1051. | 925. | 941. | 810. | 654. | 453. | 259. | 239. | 360. | 634. | 894. | 1086. | 8305. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 4. | 21. | 25. | 8. | 0. | 0. | 0. | 60. |