| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.6 | 42.7 | 53.1 | 62.3 | 71.1 | 78.3 | 87.2 | 87.5 | 78.7 | 63.3 | 44.2 | 32.9 | 61.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.4 | 32.4 | 40.7 | 48.1 | 56.0 | 62.9 | 69.7 | 69.4 | 60.7 | 48.4 | 35.9 | 26.2 | 48.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.3 | 22.1 | 28.2 | 33.9 | 40.9 | 47.5 | 52.2 | 51.4 | 42.6 | 33.6 | 27.6 | 19.6 | 35.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.50 | 2.63 | 2.09 | 1.11 | 1.07 | 1.07 | 0.39 | 0.46 | 0.65 | 2.07 | 4.50 | 4.49 | 25.03 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1164. | 913. | 755. | 507. | 292. | 118. | 28. | 28. | 167. | 513. | 873. | 1201. | 6559. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 55. | 174. | 166. | 36. | 0. | 0. | 0. | 444. |