| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.4 | 43.0 | 55.6 | 64.3 | 73.2 | 81.6 | 91.3 | 90.4 | 80.1 | 65.8 | 48.0 | 36.3 | 63.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.0 | 33.7 | 43.6 | 50.7 | 59.3 | 66.9 | 74.7 | 72.9 | 63.0 | 50.9 | 38.0 | 28.5 | 50.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.5 | 24.3 | 31.6 | 37.1 | 45.4 | 52.2 | 58.2 | 55.5 | 46.0 | 35.9 | 27.9 | 20.7 | 38.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.24 | 0.93 | 1.12 | 0.87 | 1.15 | 0.80 | 0.33 | 0.31 | 0.43 | 0.75 | 1.16 | 1.60 | 10.69 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1148. | 878. | 664. | 431. | 214. | 64. | 9. | 13. | 122. | 440. | 811. | 1131. | 5925. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 37. | 121. | 311. | 259. | 64. | 2. | 0. | 0. | 795. |