| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 44.5 | 51.9 | 58.3 | 66.7 | 73.1 | 81.4 | 81.8 | 74.8 | 62.4 | 47.5 | 37.6 | 60.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.6 | 34.4 | 39.9 | 44.2 | 50.9 | 56.7 | 62.3 | 62.0 | 54.8 | 45.8 | 37.2 | 29.8 | 45.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.7 | 24.4 | 27.9 | 30.0 | 35.2 | 40.3 | 43.2 | 42.2 | 34.9 | 29.3 | 27.0 | 21.9 | 31.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.58 | 3.96 | 3.04 | 1.35 | 1.19 | 0.78 | 0.25 | 0.27 | 0.88 | 2.03 | 5.31 | 6.73 | 31.37 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1034. | 855. | 778. | 625. | 439. | 262. | 126. | 130. | 309. | 594. | 833. | 1092. | 7077. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 13. | 43. | 37. | 4. | 0. | 0. | 0. | 100. |