| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.1 | 47.9 | 58.0 | 65.4 | 73.1 | 80.0 | 88.5 | 88.2 | 79.5 | 66.2 | 51.3 | 40.7 | 65.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.3 | 38.8 | 46.6 | 53.1 | 60.4 | 67.0 | 74.3 | 73.6 | 65.1 | 53.6 | 43.1 | 34.3 | 53.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.6 | 29.7 | 35.2 | 40.8 | 47.7 | 54.1 | 60.0 | 58.9 | 50.6 | 41.1 | 34.9 | 27.9 | 42.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.32 | 0.99 | 1.15 | 0.91 | 1.13 | 0.81 | 0.27 | 0.33 | 0.41 | 0.91 | 1.43 | 1.39 | 11.05 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 919. | 733. | 571. | 358. | 174. | 43. | 3. | 3. | 75. | 355. | 657. | 951. | 4844. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 31. | 104. | 290. | 268. | 77. | 3. | 0. | 0. | 775. |