| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.9 | 48.1 | 55.0 | 61.4 | 70.0 | 77.2 | 88.2 | 87.1 | 78.7 | 65.9 | 51.0 | 41.6 | 64.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.7 | 37.5 | 42.6 | 47.5 | 55.1 | 62.0 | 70.5 | 70.0 | 61.5 | 51.2 | 40.6 | 32.9 | 50.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.4 | 26.8 | 30.1 | 33.7 | 40.3 | 46.8 | 52.8 | 52.9 | 44.4 | 36.6 | 30.2 | 24.2 | 37.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.75 | 0.52 | 0.81 | 1.14 | 1.78 | 1.02 | 0.55 | 0.39 | 0.57 | 0.99 | 1.09 | 1.14 | 10.75 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 941. | 771. | 696. | 524. | 328. | 153. | 28. | 26. | 155. | 429. | 732. | 995. | 5778. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 23. | 63. | 198. | 181. | 52. | 3. | 0. | 0. | 520. |