| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.6 | 39.7 | 45.3 | 52.3 | 59.6 | 66.7 | 76.7 | 78.0 | 68.9 | 56.2 | 42.1 | 34.7 | 54.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.5 | 31.4 | 36.3 | 42.0 | 48.6 | 54.8 | 62.1 | 62.6 | 54.8 | 44.9 | 34.8 | 27.7 | 44.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.3 | 23.0 | 27.4 | 31.8 | 37.5 | 43.0 | 47.5 | 47.2 | 40.7 | 33.7 | 27.5 | 20.6 | 33.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.73 | 1.44 | 2.36 | 2.44 | 3.00 | 2.23 | 1.20 | 1.04 | 1.28 | 1.76 | 2.46 | 1.58 | 22.52 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1102. | 942. | 888. | 688. | 511. | 309. | 133. | 123. | 315. | 622. | 906. | 1158. | 7697. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 5. | 43. | 48. | 9. | 0. | 0. | 0. | 106. |