| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.7 | 40.0 | 50.3 | 58.4 | 67.2 | 76.3 | 85.3 | 84.6 | 74.2 | 60.9 | 45.6 | 34.7 | 59.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.8 | 30.9 | 39.3 | 46.1 | 54.1 | 62.1 | 69.5 | 68.1 | 58.6 | 47.7 | 35.7 | 26.6 | 47.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.8 | 21.7 | 28.3 | 33.7 | 41.1 | 47.9 | 53.6 | 51.6 | 43.0 | 34.4 | 25.7 | 18.4 | 34.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.91 | 0.77 | 1.03 | 1.09 | 1.39 | 0.87 | 0.30 | 0.40 | 0.55 | 0.76 | 0.94 | 1.13 | 10.14 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1186. | 956. | 797. | 569. | 343. | 134. | 22. | 35. | 213. | 538. | 880. | 1192. | 6865. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 47. | 160. | 131. | 21. | 0. | 0. | 0. | 366. |