| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.4 | 44.2 | 52.2 | 58.6 | 66.5 | 73.9 | 83.1 | 82.7 | 74.9 | 62.1 | 47.5 | 37.7 | 60.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.4 | 35.8 | 42.1 | 47.3 | 54.5 | 61.0 | 68.6 | 68.1 | 60.5 | 49.6 | 39.0 | 31.0 | 49.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.5 | 27.3 | 32.0 | 36.1 | 42.6 | 48.2 | 54.1 | 53.4 | 46.0 | 37.0 | 30.4 | 24.3 | 38.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.46 | 1.12 | 1.00 | 0.92 | 1.00 | 0.66 | 0.23 | 0.25 | 0.50 | 0.97 | 1.61 | 1.66 | 11.38 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1009. | 819. | 710. | 530. | 338. | 166. | 51. | 53. | 177. | 480. | 782. | 1054. | 6168. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 48. | 162. | 147. | 40. | 1. | 0. | 0. | 413. |