| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 48.1 | 51.3 | 54.8 | 58.2 | 62.6 | 65.7 | 70.5 | 71.7 | 69.6 | 61.1 | 52.0 | 46.7 | 59.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.8 | 44.4 | 46.8 | 49.3 | 53.4 | 56.8 | 60.4 | 61.2 | 58.9 | 52.8 | 46.1 | 41.5 | 51.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 37.5 | 37.6 | 38.8 | 40.3 | 44.1 | 47.9 | 50.2 | 50.7 | 48.1 | 44.5 | 40.2 | 36.4 | 43.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 14.59 | 10.52 | 10.59 | 7.32 | 5.16 | 3.91 | 1.39 | 1.47 | 3.15 | 7.50 | 14.64 | 14.75 | 94.99 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 688. | 575. | 564. | 473. | 363. | 250. | 150. | 126. | 189. | 378. | 567. | 727. | 5051. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 4. | 6. | 8. | 5. | 0. | 0. | 0. | 25. |