| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.0 | 45.5 | 55.1 | 63.4 | 73.2 | 84.6 | 90.8 | 88.2 | 79.2 | 66.4 | 52.2 | 41.6 | 65.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.6 | 32.6 | 41.1 | 49.1 | 59.7 | 70.3 | 76.0 | 73.9 | 64.2 | 51.7 | 39.0 | 29.2 | 51.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.3 | 19.7 | 27.0 | 34.8 | 46.2 | 56.0 | 61.2 | 59.6 | 49.2 | 37.0 | 25.8 | 16.8 | 37.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.28 | 0.41 | 0.86 | 1.70 | 3.00 | 2.59 | 3.07 | 2.51 | 1.41 | 1.19 | 0.48 | 0.39 | 17.89 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1096. | 907. | 743. | 480. | 207. | 33. | 4. | 7. | 113. | 417. | 780. | 1109. | 5895. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 42. | 192. | 344. | 283. | 88. | 5. | 0. | 0. | 958. |