| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.9 | 37.2 | 45.5 | 54.7 | 64.0 | 75.1 | 81.9 | 80.8 | 72.7 | 58.9 | 43.8 | 34.3 | 57.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 23.7 | 26.2 | 34.1 | 42.1 | 50.2 | 59.8 | 66.8 | 65.6 | 57.9 | 45.2 | 33.0 | 23.8 | 44.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 11.5 | 15.1 | 22.7 | 29.4 | 36.4 | 44.5 | 51.7 | 50.3 | 43.0 | 31.4 | 22.1 | 13.2 | 31.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.64 | 1.41 | 1.49 | 1.46 | 1.73 | 1.13 | 0.94 | 1.21 | 1.48 | 1.76 | 1.40 | 1.77 | 17.42 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1280. | 1088. | 958. | 689. | 459. | 173. | 18. | 42. | 224. | 615. | 962. | 1278. | 7786. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 17. | 73. | 59. | 9. | 0. | 0. | 0. | 159. |