| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.1 | 47.5 | 55.6 | 65.0 | 73.6 | 82.2 | 86.0 | 83.3 | 77.6 | 66.9 | 52.6 | 43.0 | 64.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.2 | 34.4 | 40.9 | 48.6 | 56.7 | 64.5 | 69.7 | 68.0 | 61.8 | 51.3 | 39.1 | 30.6 | 49.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.4 | 21.2 | 26.3 | 32.3 | 39.9 | 46.8 | 53.4 | 52.7 | 46.0 | 35.6 | 25.7 | 18.2 | 34.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.68 | 0.64 | 0.74 | 0.79 | 0.94 | 1.05 | 1.80 | 2.15 | 1.18 | 1.07 | 0.81 | 0.78 | 12.63 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1077. | 858. | 746. | 491. | 264. | 73. | 5. | 12. | 120. | 427. | 775. | 1066. | 5913. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 58. | 151. | 105. | 24. | 0. | 0. | 0. | 346. |