| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.8 | 44.3 | 56.6 | 65.3 | 73.7 | 82.4 | 91.8 | 90.5 | 79.8 | 65.9 | 48.2 | 36.4 | 64.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.3 | 34.1 | 43.9 | 51.1 | 59.3 | 67.2 | 75.1 | 73.1 | 62.8 | 50.7 | 37.8 | 28.6 | 51.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.8 | 23.9 | 31.2 | 36.9 | 45.0 | 52.1 | 58.5 | 55.7 | 45.7 | 35.4 | 27.4 | 20.8 | 37.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.22 | 0.92 | 0.99 | 0.89 | 1.16 | 0.86 | 0.25 | 0.27 | 0.46 | 0.69 | 1.16 | 1.50 | 10.37 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1138. | 865. | 654. | 419. | 210. | 59. | 7. | 10. | 122. | 446. | 816. | 1128. | 5874. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 35. | 127. | 321. | 261. | 54. | 1. | 0. | 0. | 801. |