| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.1 | 43.3 | 50.7 | 58.0 | 66.5 | 76.2 | 83.9 | 82.6 | 75.2 | 64.8 | 52.6 | 41.8 | 61.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.8 | 32.8 | 38.9 | 45.1 | 53.1 | 61.6 | 68.6 | 67.2 | 60.0 | 50.3 | 40.1 | 31.3 | 48.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.6 | 22.2 | 27.1 | 32.3 | 39.6 | 47.0 | 53.2 | 51.7 | 44.8 | 35.8 | 27.6 | 20.8 | 35.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.30 | 2.83 | 1.88 | 0.64 | 0.62 | 0.33 | 0.44 | 0.50 | 0.33 | 1.04 | 2.09 | 2.67 | 15.67 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1090. | 903. | 809. | 595. | 373. | 136. | 15. | 28. | 161. | 456. | 747. | 1045. | 6358. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 34. | 125. | 94. | 11. | 0. | 0. | 0. | 267. |