| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.0 | 48.9 | 59.2 | 67.0 | 75.6 | 82.6 | 90.7 | 89.7 | 80.9 | 67.5 | 51.3 | 38.6 | 66.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.6 | 38.6 | 46.6 | 53.0 | 61.1 | 67.6 | 73.9 | 72.5 | 64.1 | 52.6 | 41.0 | 31.5 | 53.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 26.3 | 28.3 | 34.0 | 39.0 | 46.6 | 52.7 | 57.1 | 55.3 | 47.3 | 37.7 | 30.7 | 24.5 | 40.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.90 | 0.63 | 0.60 | 0.59 | 0.61 | 0.54 | 0.14 | 0.24 | 0.44 | 0.63 | 0.91 | 1.27 | 7.50 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 972. | 739. | 571. | 364. | 168. | 46. | 6. | 7. | 95. | 387. | 720. | 1037. | 5110. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 47. | 125. | 281. | 240. | 67. | 2. | 0. | 0. | 767. |