| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.0 | 50.5 | 59.1 | 67.2 | 76.8 | 87.2 | 92.9 | 89.4 | 81.6 | 69.4 | 56.1 | 46.0 | 68.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.5 | 33.9 | 42.3 | 50.6 | 60.4 | 70.0 | 75.8 | 73.4 | 64.7 | 51.8 | 39.3 | 30.1 | 52.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.0 | 17.3 | 25.6 | 33.9 | 44.1 | 52.8 | 58.7 | 57.5 | 47.7 | 34.2 | 22.5 | 14.2 | 35.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.35 | 0.30 | 0.93 | 1.40 | 1.51 | 1.36 | 2.06 | 2.32 | 0.77 | 0.72 | 0.47 | 0.38 | 12.57 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1069. | 871. | 702. | 435. | 173. | 25. | 1. | 4. | 93. | 412. | 771. | 1082. | 5639. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 32. | 175. | 336. | 266. | 83. | 3. | 0. | 0. | 896. |