| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 31.0 | 37.4 | 49.6 | 60.3 | 69.2 | 79.4 | 88.2 | 86.7 | 74.9 | 60.0 | 43.1 | 29.5 | 59.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 18.6 | 24.2 | 36.1 | 45.4 | 54.6 | 63.8 | 71.1 | 69.0 | 58.2 | 45.0 | 30.3 | 17.4 | 44.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 6.2 | 11.0 | 22.5 | 30.6 | 40.1 | 48.1 | 54.0 | 51.4 | 41.4 | 30.0 | 17.6 | 5.4 | 30.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.28 | 0.33 | 0.56 | 0.98 | 1.45 | 1.21 | 0.78 | 0.50 | 0.83 | 0.85 | 0.41 | 0.24 | 8.42 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1438. | 1142. | 898. | 587. | 330. | 110. | 17. | 25. | 229. | 620. | 1039. | 1474. | 7909. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 72. | 206. | 150. | 24. | 0. | 0. | 0. | 461. |