| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.8 | 40.8 | 47.9 | 54.6 | 63.1 | 69.9 | 79.6 | 79.6 | 72.1 | 58.4 | 43.6 | 34.6 | 56.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.3 | 33.6 | 39.2 | 44.3 | 51.4 | 57.5 | 65.0 | 64.6 | 58.1 | 47.1 | 36.8 | 29.3 | 46.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.7 | 26.3 | 30.4 | 34.0 | 39.8 | 45.2 | 50.4 | 49.7 | 44.1 | 35.9 | 30.1 | 24.0 | 36.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.56 | 3.80 | 3.09 | 1.81 | 1.40 | 0.97 | 0.27 | 0.35 | 0.86 | 2.14 | 5.49 | 6.26 | 32.00 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1046. | 880. | 801. | 621. | 425. | 244. | 93. | 97. | 229. | 554. | 844. | 1107. | 6942. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 20. | 93. | 86. | 22. | 0. | 0. | 0. | 226. |