| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.1 | 50.8 | 55.7 | 60.4 | 66.6 | 72.3 | 79.8 | 80.3 | 75.2 | 63.4 | 52.1 | 45.8 | 62.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 40.7 | 42.8 | 46.9 | 50.6 | 56.1 | 61.2 | 66.7 | 66.6 | 62.0 | 53.3 | 45.3 | 39.8 | 52.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 34.3 | 34.8 | 38.1 | 40.8 | 45.7 | 50.1 | 53.5 | 52.9 | 48.8 | 43.2 | 38.6 | 33.9 | 42.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 7.31 | 5.83 | 5.41 | 4.48 | 3.36 | 2.38 | 0.71 | 0.90 | 1.71 | 4.14 | 7.93 | 8.21 | 52.37 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 753. | 622. | 561. | 432. | 284. | 141. | 43. | 40. | 121. | 364. | 589. | 780. | 4730. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 27. | 94. | 89. | 31. | 1. | 0. | 0. | 253. |