| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.3 | 45.3 | 56.0 | 63.8 | 72.5 | 81.7 | 91.6 | 89.7 | 80.7 | 66.9 | 48.3 | 37.4 | 64.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.6 | 33.4 | 41.0 | 46.8 | 54.7 | 62.4 | 69.9 | 67.8 | 58.8 | 47.7 | 35.7 | 27.3 | 47.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.0 | 21.4 | 26.1 | 29.8 | 36.9 | 43.1 | 48.3 | 45.9 | 37.0 | 28.5 | 23.1 | 17.2 | 31.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.02 | 0.82 | 1.04 | 0.87 | 1.32 | 0.77 | 0.47 | 0.32 | 0.37 | 0.61 | 1.08 | 1.38 | 10.07 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1127. | 886. | 742. | 546. | 327. | 131. | 25. | 42. | 205. | 537. | 879. | 1169. | 6615. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 53. | 179. | 128. | 20. | 0. | 0. | 0. | 388. |