| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.8 | 52.2 | 56.9 | 61.4 | 67.6 | 73.5 | 81.7 | 82.5 | 76.5 | 64.7 | 52.7 | 46.2 | 63.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 41.2 | 43.5 | 47.1 | 50.5 | 55.9 | 61.0 | 66.7 | 66.5 | 61.4 | 53.4 | 45.7 | 40.3 | 52.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 34.6 | 34.8 | 37.2 | 39.6 | 44.3 | 48.6 | 51.7 | 50.6 | 46.2 | 42.1 | 38.6 | 34.4 | 41.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 6.56 | 4.97 | 4.90 | 3.99 | 3.20 | 1.67 | 0.52 | 0.69 | 1.36 | 3.54 | 7.44 | 7.44 | 46.28 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 738. | 602. | 556. | 435. | 288. | 143. | 41. | 39. | 135. | 360. | 581. | 766. | 4685. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 24. | 94. | 87. | 25. | 1. | 0. | 0. | 240. |