| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.1 | 42.6 | 50.2 | 57.7 | 68.8 | 79.5 | 88.9 | 86.6 | 76.7 | 63.1 | 48.9 | 38.2 | 61.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.3 | 29.8 | 37.5 | 44.0 | 53.3 | 62.8 | 71.5 | 69.7 | 59.9 | 47.6 | 35.4 | 25.6 | 47.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 12.5 | 17.1 | 24.7 | 30.2 | 37.7 | 46.2 | 54.0 | 52.9 | 43.0 | 32.1 | 21.9 | 13.1 | 32.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.73 | 0.90 | 1.07 | 0.97 | 1.24 | 0.80 | 0.78 | 0.76 | 0.85 | 1.26 | 0.89 | 0.78 | 11.03 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1231. | 984. | 854. | 632. | 370. | 127. | 11. | 18. | 182. | 540. | 888. | 1220. | 7056. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 63. | 211. | 165. | 28. | 0. | 0. | 0. | 473. |