| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.1 | 42.1 | 47.7 | 54.3 | 63.0 | 72.1 | 82.8 | 82.1 | 73.1 | 61.3 | 46.7 | 39.8 | 59.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.8 | 31.4 | 35.8 | 40.9 | 48.1 | 55.5 | 63.4 | 62.8 | 55.0 | 45.9 | 34.9 | 29.0 | 44.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.5 | 20.6 | 23.9 | 27.5 | 33.1 | 38.9 | 44.0 | 43.4 | 36.9 | 30.4 | 23.1 | 18.1 | 30.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.96 | 1.00 | 1.37 | 1.28 | 1.59 | 0.99 | 0.45 | 0.45 | 0.61 | 0.93 | 1.51 | 1.39 | 12.53 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1060. | 942. | 905. | 723. | 526. | 294. | 108. | 116. | 306. | 594. | 903. | 1117. | 7594. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 9. | 58. | 46. | 6. | 0. | 0. | 0. | 119. |