| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 28.3 | 33.9 | 44.2 | 54.5 | 64.8 | 74.8 | 80.0 | 78.1 | 71.1 | 59.3 | 44.0 | 30.7 | 55.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 12.8 | 18.5 | 29.7 | 38.9 | 47.7 | 56.2 | 62.1 | 60.7 | 52.7 | 41.3 | 28.2 | 15.7 | 38.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | -2.7 | 3.1 | 15.3 | 23.3 | 30.6 | 37.5 | 44.2 | 43.2 | 34.2 | 23.3 | 12.5 | 0.8 | 22.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.64 | 0.66 | 0.75 | 0.94 | 0.98 | 0.77 | 1.44 | 1.73 | 1.23 | 0.80 | 0.67 | 0.76 | 11.37 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1618. | 1302. | 1093. | 783. | 536. | 267. | 105. | 141. | 371. | 735. | 1103. | 1527. | 9580. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 2. | 15. | 6. | 0. | 0. | 0. | 0. | 23. |