| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 46.7 | 57.0 | 65.0 | 74.3 | 83.0 | 92.6 | 92.3 | 81.8 | 68.0 | 51.1 | 40.1 | 66.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.6 | 35.9 | 44.8 | 51.6 | 59.5 | 67.1 | 75.1 | 74.6 | 65.5 | 53.8 | 40.7 | 31.1 | 52.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.6 | 25.0 | 32.6 | 38.1 | 44.7 | 51.2 | 57.6 | 56.9 | 49.1 | 39.5 | 30.3 | 22.1 | 39.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1035. | 816. | 626. | 408. | 218. | 69. | 10. | 11. | 97. | 361. | 729. | 1051. | 5431. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 47. | 132. | 323. | 309. | 110. | 12. | 0. | 0. | 937. |