| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.2 | 49.9 | 53.7 | 58.5 | 64.7 | 69.9 | 75.8 | 76.3 | 70.5 | 59.7 | 50.9 | 45.7 | 60.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.0 | 43.4 | 46.5 | 50.3 | 56.0 | 60.9 | 65.7 | 66.1 | 61.3 | 52.8 | 45.4 | 40.6 | 52.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 36.9 | 36.9 | 39.3 | 42.2 | 47.3 | 51.9 | 55.6 | 55.9 | 52.1 | 45.8 | 40.0 | 35.6 | 45.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 5.57 | 3.50 | 3.72 | 2.71 | 1.94 | 1.57 | 0.70 | 0.88 | 1.50 | 3.48 | 6.57 | 5.35 | 37.49 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 711. | 605. | 574. | 440. | 285. | 144. | 49. | 36. | 132. | 380. | 586. | 755. | 4696. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 21. | 71. | 70. | 21. | 0. | 0. | 0. | 188. |