| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.7 | 45.5 | 56.6 | 64.6 | 73.3 | 82.5 | 91.9 | 90.7 | 79.9 | 66.4 | 50.0 | 39.2 | 65.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.6 | 35.6 | 44.1 | 50.5 | 58.7 | 67.0 | 74.5 | 72.9 | 62.9 | 51.4 | 39.4 | 30.5 | 51.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.6 | 25.7 | 31.7 | 36.5 | 44.1 | 51.4 | 57.0 | 55.1 | 45.9 | 36.5 | 28.7 | 21.8 | 38.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.21 | 0.96 | 1.26 | 1.08 | 1.29 | 0.68 | 0.26 | 0.23 | 0.48 | 0.75 | 1.27 | 1.47 | 10.94 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1065. | 823. | 646. | 435. | 229. | 64. | 8. | 11. | 124. | 423. | 769. | 1069. | 5668. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 33. | 123. | 301. | 256. | 61. | 2. | 0. | 0. | 779. |