| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.6 | 47.4 | 54.9 | 60.9 | 68.7 | 76.6 | 85.7 | 85.5 | 76.6 | 64.2 | 50.8 | 41.4 | 63.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.2 | 37.8 | 44.2 | 49.1 | 56.1 | 62.8 | 69.8 | 69.4 | 61.6 | 51.3 | 41.3 | 33.5 | 51.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 26.8 | 28.2 | 33.5 | 37.2 | 43.6 | 48.9 | 53.9 | 53.4 | 46.6 | 38.4 | 31.7 | 25.5 | 39.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.47 | 1.12 | 1.52 | 1.51 | 1.66 | 1.38 | 0.33 | 0.39 | 0.56 | 1.14 | 1.60 | 1.32 | 14.00 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 924. | 761. | 645. | 479. | 293. | 124. | 31. | 27. | 148. | 426. | 713. | 978. | 5549. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 18. | 56. | 180. | 165. | 46. | 2. | 0. | 0. | 468. |