| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.2 | 36.7 | 49.3 | 59.7 | 69.2 | 79.0 | 88.5 | 87.5 | 76.9 | 63.1 | 46.5 | 33.8 | 60.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.1 | 28.9 | 40.0 | 48.4 | 56.8 | 64.8 | 72.3 | 71.0 | 61.2 | 49.9 | 37.6 | 27.0 | 48.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.0 | 21.0 | 30.6 | 37.1 | 44.4 | 50.6 | 56.0 | 54.5 | 45.5 | 36.7 | 28.7 | 20.2 | 37.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.23 | 1.62 | 1.77 | 2.00 | 2.26 | 1.25 | 0.71 | 0.71 | 1.28 | 1.78 | 1.44 | 1.50 | 17.55 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1237. | 1012. | 777. | 498. | 267. | 83. | 11. | 13. | 147. | 469. | 822. | 1178. | 6513. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 77. | 236. | 199. | 33. | 1. | 0. | 0. | 558. |