| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.8 | 55.2 | 62.9 | 72.0 | 80.3 | 89.2 | 84.7 | 82.3 | 80.8 | 73.0 | 58.4 | 55.9 | 70.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.0 | 41.2 | 47.8 | 56.0 | 63.7 | 72.1 | 72.4 | 70.3 | 67.5 | 57.6 | 45.0 | 41.1 | 56.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 26.2 | 27.2 | 32.6 | 39.9 | 47.1 | 55.0 | 60.0 | 58.3 | 54.2 | 42.2 | 31.5 | 26.2 | 41.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 805. | 666. | 535. | 279. | 98. | 1. | 1. | 1. | 20. | 236. | 601. | 742. | 3985. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 7. | 58. | 214. | 229. | 165. | 95. | 6. | 0. | 0. | 773. |