| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.6 | 44.5 | 53.8 | 59.9 | 66.8 | 77.6 | 86.4 | 86.4 | 78.2 | 64.7 | 48.6 | 40.0 | 62.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.0 | 33.9 | 41.0 | 45.4 | 51.3 | 59.3 | 66.7 | 65.3 | 57.0 | 47.4 | 36.5 | 29.0 | 47.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.4 | 23.3 | 28.1 | 30.8 | 35.9 | 41.1 | 47.0 | 44.2 | 35.8 | 30.0 | 24.4 | 18.0 | 31.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.74 | 0.72 | 1.07 | 1.04 | 1.71 | 0.73 | 0.37 | 0.36 | 0.47 | 0.72 | 0.96 | 0.87 | 9.76 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1085. | 871. | 746. | 589. | 427. | 190. | 45. | 55. | 247. | 547. | 855. | 1116. | 6772. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 21. | 97. | 65. | 7. | 0. | 0. | 0. | 193. |