| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.3 | 43.8 | 54.1 | 62.2 | 70.8 | 79.7 | 89.3 | 87.8 | 76.9 | 63.3 | 47.7 | 37.4 | 62.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.6 | 33.5 | 41.0 | 46.8 | 54.4 | 61.7 | 68.8 | 67.3 | 57.5 | 46.9 | 36.1 | 28.3 | 47.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.0 | 23.1 | 27.9 | 31.3 | 38.0 | 43.7 | 48.2 | 46.9 | 38.2 | 30.6 | 24.6 | 19.2 | 32.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.01 | 0.87 | 1.25 | 1.32 | 1.70 | 0.91 | 0.47 | 0.34 | 0.50 | 0.86 | 1.13 | 1.18 | 11.54 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1096. | 883. | 744. | 548. | 335. | 139. | 32. | 42. | 238. | 560. | 866. | 1138. | 6620. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 40. | 148. | 115. | 14. | 0. | 0. | 0. | 325. |