| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.6 | 42.3 | 52.5 | 60.3 | 68.7 | 76.6 | 86.6 | 86.5 | 77.8 | 62.9 | 45.4 | 35.0 | 60.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.1 | 32.0 | 40.1 | 46.3 | 53.5 | 60.2 | 66.8 | 66.0 | 58.0 | 47.0 | 35.8 | 27.1 | 46.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.6 | 21.7 | 27.8 | 32.4 | 38.4 | 43.9 | 47.1 | 45.4 | 38.2 | 31.1 | 26.2 | 19.3 | 32.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.80 | 1.37 | 1.31 | 1.49 | 1.91 | 1.67 | 0.93 | 0.92 | 0.84 | 1.37 | 2.00 | 1.87 | 17.48 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1144. | 924. | 770. | 559. | 359. | 166. | 46. | 56. | 224. | 558. | 876. | 1173. | 6855. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 23. | 103. | 85. | 14. | 0. | 0. | 0. | 229. |