| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.5 | 46.0 | 55.7 | 63.8 | 74.5 | 84.9 | 93.0 | 91.4 | 81.5 | 67.5 | 52.3 | 40.7 | 66.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.8 | 35.3 | 43.7 | 50.7 | 60.1 | 68.9 | 76.5 | 74.9 | 65.6 | 53.8 | 41.3 | 31.5 | 52.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.2 | 24.7 | 31.8 | 37.6 | 45.8 | 52.9 | 60.1 | 58.4 | 49.7 | 40.1 | 30.4 | 22.2 | 39.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.94 | 1.74 | 1.75 | 2.07 | 2.26 | 1.28 | 0.65 | 1.06 | 1.68 | 2.07 | 1.80 | 1.85 | 20.15 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1059. | 830. | 659. | 433. | 192. | 47. | 3. | 2. | 78. | 353. | 709. | 1040. | 5404. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 41. | 164. | 360. | 309. | 96. | 6. | 0. | 0. | 981. |