| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.3 | 57.4 | 60.2 | 63.2 | 68.4 | 72.8 | 78.8 | 80.2 | 78.3 | 70.0 | 58.3 | 52.3 | 66.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 45.0 | 46.8 | 49.1 | 51.7 | 56.4 | 60.7 | 65.2 | 65.5 | 62.6 | 56.2 | 48.7 | 43.7 | 54.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 35.8 | 36.2 | 38.1 | 40.2 | 44.4 | 48.5 | 51.6 | 50.9 | 46.9 | 42.4 | 39.0 | 35.2 | 42.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 9.07 | 7.55 | 7.13 | 5.25 | 2.99 | 1.37 | 0.30 | 0.43 | 1.17 | 3.60 | 8.76 | 11.22 | 58.84 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 618. | 510. | 491. | 399. | 272. | 144. | 45. | 38. | 102. | 277. | 491. | 659. | 4046. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 14. | 51. | 55. | 29. | 4. | 0. | 0. | 159. |