| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.1 | 41.5 | 52.9 | 60.9 | 69.9 | 78.3 | 89.1 | 87.7 | 78.3 | 64.2 | 46.2 | 34.6 | 61.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.7 | 30.6 | 39.2 | 45.3 | 53.7 | 61.1 | 68.9 | 66.8 | 57.1 | 45.8 | 34.0 | 24.7 | 46.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.3 | 19.6 | 25.6 | 29.6 | 37.5 | 43.8 | 48.8 | 45.8 | 36.0 | 27.4 | 21.8 | 14.9 | 30.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.35 | 1.04 | 1.16 | 0.88 | 1.06 | 0.82 | 0.35 | 0.44 | 0.41 | 0.78 | 1.33 | 1.63 | 11.25 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1218. | 965. | 798. | 592. | 356. | 156. | 30. | 50. | 247. | 595. | 930. | 1248. | 7186. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 38. | 152. | 105. | 11. | 0. | 0. | 0. | 312. |