| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.0 | 43.3 | 53.8 | 61.7 | 70.5 | 78.8 | 90.1 | 89.3 | 80.3 | 67.4 | 48.6 | 37.4 | 63.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.1 | 31.9 | 40.5 | 47.0 | 55.4 | 62.6 | 71.7 | 70.4 | 60.7 | 49.4 | 36.3 | 27.1 | 48.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.1 | 20.5 | 27.3 | 32.4 | 40.3 | 46.5 | 53.2 | 51.4 | 41.2 | 31.3 | 24.0 | 16.8 | 33.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1176. | 927. | 758. | 539. | 313. | 129. | 21. | 23. | 162. | 486. | 861. | 1175. | 6569. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 15. | 59. | 227. | 189. | 35. | 1. | 0. | 0. | 525. |