| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.4 | 41.8 | 49.3 | 58.9 | 69.7 | 81.3 | 87.1 | 83.9 | 75.2 | 62.3 | 48.3 | 38.9 | 61.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.3 | 30.6 | 37.8 | 45.4 | 54.8 | 64.7 | 71.0 | 68.8 | 60.7 | 49.0 | 37.0 | 28.2 | 48.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.3 | 19.3 | 26.2 | 32.0 | 39.8 | 48.0 | 54.9 | 53.7 | 46.2 | 35.7 | 25.6 | 17.6 | 34.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.30 | 1.38 | 1.23 | 1.14 | 0.88 | 0.48 | 1.13 | 1.32 | 1.80 | 1.87 | 1.38 | 1.38 | 15.29 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1167. | 964. | 845. | 586. | 324. | 83. | 6. | 14. | 152. | 496. | 841. | 1139. | 6618. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 72. | 192. | 132. | 23. | 0. | 0. | 0. | 425. |