| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.8 | 36.3 | 39.4 | 45.7 | 52.3 | 57.3 | 60.1 | 60.5 | 55.6 | 47.4 | 38.4 | 35.0 | 46.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.1 | 29.7 | 32.0 | 37.8 | 44.7 | 50.8 | 54.3 | 53.8 | 48.4 | 41.0 | 32.3 | 29.6 | 40.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.4 | 23.0 | 24.6 | 29.9 | 37.2 | 44.3 | 48.6 | 47.2 | 41.2 | 34.7 | 26.3 | 24.3 | 33.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 13.66 | 10.86 | 11.04 | 9.19 | 8.21 | 6.39 | 7.88 | 14.07 | 21.11 | 21.98 | 14.45 | 16.28 | 155.12 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1144. | 990. | 1023. | 816. | 628. | 426. | 330. | 346. | 498. | 742. | 979. | 1096. | 9018. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |