| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.9 | 45.1 | 50.9 | 57.0 | 65.7 | 75.0 | 84.8 | 84.7 | 76.8 | 64.6 | 48.6 | 40.7 | 61.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.4 | 34.8 | 39.4 | 44.3 | 51.9 | 59.6 | 68.0 | 67.5 | 60.4 | 50.3 | 37.9 | 31.5 | 48.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.9 | 24.6 | 27.8 | 31.6 | 38.0 | 44.2 | 51.1 | 50.3 | 44.0 | 35.9 | 27.3 | 22.3 | 35.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.56 | 2.07 | 1.87 | 1.21 | 1.27 | 1.17 | 0.60 | 0.45 | 0.53 | 1.06 | 2.05 | 1.34 | 15.18 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1011. | 844. | 795. | 621. | 417. | 195. | 47. | 48. | 179. | 461. | 811. | 1038. | 6467. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 33. | 138. | 125. | 41. | 3. | 0. | 0. | 350. |