| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.4 | 41.7 | 50.3 | 58.4 | 68.3 | 79.6 | 85.2 | 82.4 | 75.0 | 62.4 | 48.7 | 37.6 | 60.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 22.1 | 26.3 | 33.8 | 40.6 | 49.8 | 58.7 | 65.3 | 63.2 | 54.7 | 43.3 | 31.9 | 22.2 | 42.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 6.8 | 10.9 | 17.4 | 22.8 | 31.4 | 37.8 | 45.4 | 44.0 | 34.5 | 24.2 | 15.0 | 6.8 | 24.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.57 | 0.58 | 0.61 | 0.62 | 0.61 | 0.53 | 1.23 | 1.88 | 0.92 | 1.13 | 0.68 | 0.45 | 9.81 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1330. | 1083. | 966. | 732. | 470. | 200. | 48. | 86. | 309. | 673. | 994. | 1327. | 8218. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 11. | 57. | 30. | 1. | 0. | 0. | 0. | 100. |