| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.9 | 51.2 | 51.9 | 53.2 | 55.8 | 58.5 | 57.5 | 57.9 | 56.7 | 55.7 | 53.2 | 52.0 | 54.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 43.6 | 42.4 | 43.1 | 44.3 | 47.1 | 49.3 | 48.6 | 49.1 | 48.1 | 47.3 | 46.1 | 44.1 | 46.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 35.3 | 33.7 | 34.2 | 35.3 | 38.4 | 40.2 | 39.6 | 40.2 | 39.4 | 38.8 | 38.9 | 36.2 | 37.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.27 | 2.47 | 2.36 | 1.98 | 1.16 | 0.84 | 2.39 | 2.03 | 1.82 | 1.53 | 2.40 | 3.36 | 24.61 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 663. | 631. | 680. | 622. | 555. | 470. | 510. | 494. | 508. | 550. | 569. | 648. | 6902. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |