| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.1 | 52.9 | 57.5 | 61.9 | 68.0 | 73.7 | 82.0 | 82.9 | 77.1 | 65.5 | 54.1 | 47.5 | 64.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 41.0 | 42.9 | 46.5 | 50.0 | 55.1 | 60.1 | 65.6 | 65.6 | 60.9 | 52.9 | 45.2 | 40.1 | 52.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.9 | 33.0 | 35.5 | 38.1 | 42.2 | 46.4 | 49.2 | 48.3 | 44.7 | 40.3 | 36.3 | 32.6 | 40.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 7.17 | 5.79 | 5.76 | 4.76 | 4.05 | 2.79 | 0.82 | 0.90 | 1.78 | 4.28 | 8.56 | 8.07 | 54.73 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 744. | 617. | 574. | 450. | 314. | 168. | 54. | 52. | 146. | 376. | 594. | 773. | 4863. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 19. | 72. | 71. | 23. | 1. | 0. | 0. | 194. |