| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.5 | 39.8 | 48.4 | 54.7 | 61.8 | 69.0 | 78.9 | 79.2 | 69.7 | 59.0 | 43.4 | 34.4 | 56.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 24.6 | 28.3 | 35.6 | 41.2 | 47.6 | 54.0 | 60.8 | 59.8 | 51.9 | 43.0 | 32.2 | 24.5 | 42.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.7 | 16.8 | 22.8 | 27.6 | 33.3 | 39.0 | 42.6 | 40.4 | 34.0 | 27.1 | 21.1 | 14.7 | 27.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.37 | 0.99 | 1.40 | 1.81 | 2.32 | 1.97 | 0.87 | 0.87 | 0.73 | 0.88 | 1.46 | 1.29 | 15.96 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1252. | 1027. | 912. | 715. | 542. | 334. | 158. | 180. | 395. | 681. | 982. | 1254. | 8433. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 4. | 26. | 19. | 1. | 0. | 0. | 0. | 50. |