| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.8 | 50.7 | 55.2 | 59.1 | 64.5 | 69.1 | 74.5 | 75.7 | 72.0 | 61.9 | 51.5 | 45.2 | 60.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.9 | 41.7 | 45.5 | 48.8 | 54.1 | 58.7 | 63.2 | 63.7 | 59.5 | 51.4 | 43.9 | 38.7 | 50.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 33.0 | 32.7 | 35.9 | 38.4 | 43.6 | 48.3 | 51.8 | 51.8 | 47.1 | 41.0 | 36.2 | 32.1 | 41.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 8.06 | 5.71 | 5.57 | 4.07 | 2.77 | 1.86 | 0.72 | 0.78 | 1.74 | 4.23 | 9.00 | 8.88 | 53.39 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 778. | 652. | 603. | 487. | 343. | 200. | 94. | 78. | 175. | 420. | 634. | 817. | 5282. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 11. | 37. | 39. | 11. | 0. | 0. | 0. | 102. |