| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.5 | 43.5 | 52.3 | 59.0 | 66.8 | 74.4 | 84.9 | 85.7 | 76.3 | 62.7 | 47.3 | 38.1 | 60.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.0 | 35.2 | 41.6 | 46.8 | 53.7 | 60.4 | 67.7 | 67.5 | 58.9 | 48.4 | 38.9 | 31.3 | 48.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.4 | 26.8 | 30.9 | 34.6 | 40.7 | 46.4 | 50.5 | 49.3 | 41.6 | 34.1 | 30.6 | 24.5 | 36.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.17 | 0.91 | 1.23 | 1.51 | 2.16 | 1.58 | 0.67 | 0.70 | 0.67 | 1.08 | 1.56 | 1.16 | 14.40 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1024. | 836. | 725. | 546. | 358. | 174. | 50. | 50. | 208. | 515. | 782. | 1045. | 6313. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 36. | 133. | 127. | 27. | 1. | 0. | 0. | 334. |