| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.3 | 53.7 | 59.0 | 64.7 | 71.9 | 79.7 | 88.5 | 89.4 | 84.6 | 69.3 | 54.2 | 49.1 | 67.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 43.8 | 45.6 | 49.0 | 52.3 | 58.0 | 64.2 | 70.3 | 70.8 | 66.5 | 56.6 | 47.0 | 42.3 | 55.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 37.3 | 37.4 | 39.0 | 39.8 | 44.0 | 48.8 | 52.1 | 52.1 | 48.4 | 43.9 | 39.8 | 35.5 | 43.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 13.11 | 11.31 | 9.38 | 6.18 | 3.45 | 1.50 | 0.33 | 0.60 | 1.90 | 4.94 | 12.27 | 14.50 | 79.47 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 657. | 545. | 496. | 383. | 238. | 79. | 12. | 10. | 47. | 267. | 540. | 704. | 3977. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 57. | 176. | 188. | 92. | 7. | 0. | 0. | 539. |