| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.1 | 54.1 | 55.8 | 58.3 | 62.0 | 65.0 | 68.0 | 69.1 | 69.2 | 63.1 | 55.6 | 51.2 | 60.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 44.7 | 45.4 | 46.8 | 48.8 | 52.8 | 56.4 | 59.1 | 59.5 | 57.8 | 52.8 | 47.6 | 43.7 | 51.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 37.3 | 36.7 | 37.8 | 39.4 | 43.5 | 47.7 | 50.2 | 49.9 | 46.4 | 42.5 | 39.5 | 36.3 | 42.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 13.52 | 9.68 | 9.74 | 7.07 | 4.72 | 3.58 | 1.38 | 1.31 | 3.00 | 6.93 | 13.84 | 13.24 | 88.01 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 629. | 549. | 564. | 485. | 380. | 260. | 185. | 172. | 220. | 379. | 523. | 659. | 5006. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 1. | 2. | 2. | 4. | 1. | 0. | 0. | 10. |