| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.5 | 48.0 | 58.4 | 66.3 | 74.5 | 81.6 | 90.3 | 89.3 | 79.9 | 65.8 | 50.6 | 39.9 | 65.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.5 | 39.3 | 47.4 | 54.3 | 62.0 | 68.9 | 76.0 | 75.1 | 66.1 | 53.9 | 43.1 | 34.3 | 54.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.5 | 30.7 | 36.4 | 42.3 | 49.5 | 56.1 | 61.7 | 60.8 | 52.3 | 42.1 | 35.5 | 28.8 | 43.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.08 | 0.78 | 0.73 | 0.56 | 0.64 | 0.51 | 0.22 | 0.18 | 0.30 | 0.60 | 1.00 | 1.13 | 7.73 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 914. | 718. | 546. | 324. | 143. | 29. | 2. | 2. | 62. | 346. | 659. | 950. | 4695. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 50. | 144. | 343. | 314. | 95. | 3. | 0. | 0. | 952. |