| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.7 | 49.3 | 57.8 | 65.8 | 73.5 | 81.1 | 91.7 | 92.0 | 81.5 | 66.6 | 50.7 | 41.2 | 66.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.6 | 39.5 | 46.3 | 52.5 | 59.4 | 66.3 | 74.0 | 74.3 | 65.1 | 53.4 | 42.2 | 34.5 | 53.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.5 | 29.8 | 34.7 | 39.2 | 45.3 | 51.5 | 56.4 | 56.6 | 48.7 | 40.3 | 33.6 | 27.9 | 41.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.16 | 1.09 | 1.72 | 1.75 | 2.43 | 2.02 | 0.96 | 0.83 | 1.08 | 1.28 | 1.53 | 1.36 | 17.21 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 911. | 712. | 581. | 379. | 211. | 69. | 11. | 9. | 98. | 364. | 685. | 944. | 4976. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 38. | 108. | 291. | 298. | 101. | 6. | 0. | 0. | 845. |