| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.2 | 33.4 | 40.8 | 48.9 | 59.0 | 68.6 | 79.3 | 78.6 | 67.4 | 52.8 | 37.7 | 28.7 | 52.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 21.1 | 23.2 | 30.4 | 37.8 | 46.9 | 55.5 | 63.8 | 62.6 | 52.9 | 41.1 | 28.7 | 20.0 | 40.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 12.0 | 13.0 | 20.1 | 26.7 | 34.8 | 42.3 | 48.3 | 46.7 | 38.4 | 29.4 | 19.8 | 11.3 | 28.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.73 | 0.64 | 0.95 | 1.30 | 2.06 | 1.95 | 1.46 | 1.06 | 1.14 | 1.28 | 1.03 | 0.81 | 14.41 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1361. | 1170. | 1071. | 816. | 561. | 295. | 96. | 111. | 367. | 741. | 1087. | 1395. | 9071. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 9. | 58. | 38. | 4. | 0. | 0. | 0. | 108. |