| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.4 | 49.3 | 58.3 | 65.4 | 73.4 | 80.0 | 88.2 | 88.5 | 81.3 | 67.6 | 51.9 | 42.1 | 65.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 36.2 | 39.4 | 46.3 | 52.3 | 59.8 | 66.3 | 73.0 | 72.6 | 65.0 | 53.4 | 42.6 | 35.4 | 53.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.0 | 29.5 | 34.4 | 39.2 | 46.3 | 52.5 | 57.8 | 56.7 | 48.7 | 39.3 | 33.4 | 28.7 | 41.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.57 | 1.83 | 1.16 | 0.80 | 0.71 | 0.48 | 0.16 | 0.30 | 0.44 | 0.93 | 2.07 | 3.10 | 14.55 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 893. | 717. | 578. | 383. | 195. | 64. | 9. | 7. | 82. | 362. | 670. | 917. | 4878. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 35. | 102. | 257. | 243. | 82. | 4. | 0. | 0. | 725. |