| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.8 | 50.5 | 53.7 | 56.8 | 61.3 | 64.7 | 68.2 | 69.2 | 68.6 | 60.9 | 51.9 | 46.5 | 58.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.5 | 43.5 | 46.2 | 49.0 | 53.7 | 57.8 | 61.0 | 61.6 | 59.6 | 52.7 | 45.8 | 41.2 | 51.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 37.2 | 36.6 | 38.7 | 41.1 | 46.2 | 50.9 | 53.8 | 54.0 | 50.5 | 44.5 | 39.6 | 35.9 | 44.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 13.58 | 9.27 | 8.95 | 6.19 | 3.77 | 2.61 | 1.23 | 1.48 | 2.53 | 7.69 | 14.28 | 12.89 | 84.47 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 698. | 601. | 583. | 482. | 353. | 223. | 138. | 119. | 175. | 382. | 577. | 738. | 5067. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 7. | 14. | 14. | 12. | 1. | 0. | 0. | 51. |