| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.5 | 59.3 | 67.0 | 74.4 | 84.1 | 93.6 | 99.8 | 97.6 | 90.3 | 78.0 | 64.5 | 54.5 | 76.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.0 | 45.6 | 52.1 | 58.4 | 67.8 | 76.7 | 82.5 | 80.1 | 73.2 | 61.6 | 49.6 | 41.0 | 60.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.5 | 31.9 | 37.3 | 42.4 | 51.5 | 59.8 | 65.1 | 62.5 | 56.1 | 45.3 | 34.7 | 27.5 | 45.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.16 | 1.01 | 0.64 | 0.19 | 0.10 | 0.16 | 0.12 | 0.12 | 0.14 | 0.21 | 0.66 | 0.97 | 5.48 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 713. | 543. | 401. | 225. | 66. | 9. | 0. | 0. | 13. | 151. | 463. | 744. | 3329. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 27. | 153. | 360. | 541. | 467. | 258. | 47. | 1. | 0. | 1858. |