| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.7 | 53.9 | 55.2 | 57.5 | 61.7 | 65.3 | 69.3 | 70.4 | 69.4 | 63.2 | 55.3 | 50.7 | 60.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 46.1 | 47.2 | 48.3 | 50.1 | 54.1 | 57.6 | 60.6 | 61.3 | 59.7 | 54.7 | 49.2 | 45.1 | 52.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 40.6 | 40.5 | 41.4 | 42.8 | 46.5 | 50.0 | 52.0 | 52.3 | 50.0 | 46.1 | 43.0 | 39.6 | 45.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 11.72 | 8.45 | 8.88 | 6.42 | 4.58 | 3.38 | 1.12 | 1.20 | 2.96 | 6.23 | 13.02 | 12.00 | 79.96 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 584. | 498. | 518. | 446. | 340. | 224. | 139. | 119. | 169. | 323. | 476. | 615. | 4450. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 3. | 4. | 6. | 10. | 2. | 0. | 0. | 27. |