| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.6 | 42.5 | 50.6 | 58.0 | 66.9 | 77.3 | 88.5 | 87.3 | 77.2 | 63.4 | 48.1 | 37.8 | 61.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.4 | 32.2 | 39.0 | 44.8 | 52.4 | 61.1 | 70.5 | 69.0 | 59.3 | 47.8 | 36.2 | 27.9 | 47.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.2 | 21.8 | 27.5 | 31.6 | 38.0 | 44.8 | 52.5 | 50.6 | 41.3 | 32.2 | 24.3 | 17.9 | 33.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1135. | 920. | 805. | 606. | 396. | 167. | 28. | 36. | 202. | 534. | 864. | 1151. | 6842. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 48. | 198. | 158. | 30. | 0. | 0. | 0. | 441. |