| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.1 | 53.1 | 56.6 | 61.2 | 70.5 | 78.4 | 85.6 | 85.4 | 79.9 | 70.2 | 58.2 | 50.9 | 66.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.2 | 43.2 | 46.2 | 50.0 | 58.0 | 65.6 | 72.7 | 71.5 | 66.0 | 56.7 | 47.2 | 40.9 | 55.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.2 | 33.2 | 35.9 | 38.7 | 45.5 | 52.7 | 59.9 | 57.5 | 52.1 | 43.1 | 36.1 | 30.8 | 43.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.57 | 1.96 | 2.08 | 0.80 | 0.46 | 0.11 | 0.12 | 0.20 | 0.10 | 0.74 | 1.39 | 1.81 | 11.34 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 708. | 612. | 581. | 452. | 236. | 76. | 7. | 6. | 64. | 270. | 536. | 748. | 4296. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 92. | 246. | 206. | 94. | 11. | 0. | 0. | 670. |