| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.1 | 44.3 | 51.0 | 56.7 | 64.6 | 72.3 | 81.5 | 81.3 | 73.5 | 61.9 | 47.3 | 39.4 | 59.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.7 | 34.2 | 39.3 | 43.6 | 50.5 | 57.1 | 64.5 | 63.8 | 56.5 | 47.3 | 37.6 | 31.1 | 46.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.3 | 24.2 | 27.5 | 30.4 | 36.3 | 41.9 | 47.5 | 46.3 | 39.5 | 32.8 | 27.9 | 22.7 | 33.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.53 | 1.09 | 0.73 | 0.78 | 0.89 | 0.70 | 0.56 | 0.48 | 0.41 | 0.60 | 1.39 | 2.20 | 11.36 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1001. | 861. | 798. | 643. | 455. | 254. | 93. | 102. | 269. | 547. | 822. | 1052. | 6899. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 17. | 77. | 64. | 14. | 0. | 0. | 0. | 177. |