| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.3 | 37.3 | 48.7 | 59.1 | 68.8 | 79.6 | 87.0 | 84.8 | 74.9 | 61.3 | 45.6 | 33.6 | 59.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 17.5 | 22.1 | 33.5 | 42.4 | 51.1 | 59.9 | 67.2 | 65.3 | 55.2 | 43.3 | 30.2 | 18.5 | 42.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 1.7 | 6.8 | 18.4 | 25.6 | 33.4 | 40.3 | 47.4 | 45.8 | 35.5 | 25.4 | 14.8 | 3.4 | 25.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.83 | 0.86 | 1.05 | 1.35 | 1.12 | 1.14 | 0.85 | 0.98 | 1.40 | 1.39 | 1.10 | 0.97 | 13.04 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1472. | 1203. | 975. | 679. | 432. | 171. | 29. | 54. | 297. | 671. | 1044. | 1441. | 8468. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 20. | 97. | 63. | 3. | 0. | 0. | 0. | 183. |