| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.7 | 51.6 | 56.5 | 61.1 | 67.8 | 73.9 | 82.0 | 82.4 | 76.8 | 64.1 | 52.6 | 46.2 | 63.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 41.2 | 43.1 | 46.9 | 50.4 | 56.2 | 61.6 | 67.6 | 67.6 | 62.6 | 53.2 | 45.5 | 40.1 | 53.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 34.7 | 34.6 | 37.2 | 39.6 | 44.7 | 49.3 | 53.1 | 52.8 | 48.4 | 42.3 | 38.4 | 34.0 | 42.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.96 | 4.56 | 3.99 | 2.81 | 2.22 | 1.55 | 0.46 | 0.45 | 1.28 | 3.03 | 6.50 | 6.86 | 39.67 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 738. | 613. | 563. | 440. | 280. | 130. | 30. | 26. | 109. | 367. | 585. | 772. | 4652. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 28. | 109. | 106. | 37. | 1. | 0. | 0. | 290. |