| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 48.8 | 58.7 | 67.2 | 78.2 | 89.0 | 95.1 | 92.0 | 83.1 | 69.6 | 54.5 | 42.8 | 68.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.9 | 36.1 | 44.6 | 52.3 | 62.8 | 72.7 | 79.4 | 76.8 | 67.3 | 54.2 | 41.1 | 30.9 | 54.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.5 | 23.4 | 30.5 | 37.3 | 47.5 | 56.5 | 63.6 | 61.6 | 51.6 | 38.9 | 27.7 | 19.0 | 39.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.49 | 0.53 | 0.80 | 0.71 | 0.58 | 0.35 | 0.77 | 1.04 | 0.91 | 1.10 | 0.67 | 0.47 | 8.42 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1088. | 809. | 632. | 387. | 135. | 20. | 1. | 1. | 56. | 339. | 717. | 1057. | 5242. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 68. | 252. | 445. | 366. | 127. | 6. | 0. | 0. | 1269. |