| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.4 | 43.1 | 51.3 | 58.7 | 67.0 | 75.5 | 86.6 | 85.5 | 75.8 | 62.6 | 46.7 | 37.1 | 60.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.4 | 31.5 | 38.9 | 44.3 | 52.3 | 59.7 | 67.7 | 66.1 | 57.0 | 45.8 | 34.8 | 27.0 | 46.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.3 | 19.8 | 26.5 | 29.9 | 37.6 | 43.9 | 48.9 | 46.6 | 38.2 | 28.9 | 23.0 | 17.0 | 31.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.15 | 0.79 | 1.06 | 1.12 | 1.41 | 0.96 | 0.32 | 0.30 | 0.51 | 0.67 | 1.14 | 1.47 | 10.90 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1167. | 939. | 809. | 621. | 398. | 185. | 38. | 54. | 252. | 597. | 905. | 1176. | 7142. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 26. | 123. | 87. | 12. | 0. | 0. | 0. | 253. |