| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.2 | 46.2 | 53.3 | 59.3 | 68.4 | 76.3 | 85.0 | 84.7 | 77.6 | 65.1 | 48.4 | 40.1 | 62.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.1 | 34.6 | 39.7 | 44.7 | 52.9 | 59.5 | 65.8 | 64.3 | 57.5 | 47.9 | 36.7 | 30.1 | 47.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.1 | 22.9 | 26.0 | 30.1 | 37.4 | 42.8 | 46.6 | 44.0 | 37.4 | 30.7 | 25.0 | 20.2 | 32.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.51 | 1.19 | 1.15 | 1.04 | 1.09 | 0.80 | 0.32 | 0.36 | 0.48 | 0.80 | 1.35 | 1.42 | 11.51 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1049. | 853. | 786. | 609. | 380. | 184. | 57. | 73. | 234. | 530. | 849. | 1080. | 6683. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 20. | 82. | 53. | 9. | 0. | 0. | 0. | 168. |