| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.3 | 46.3 | 57.9 | 65.6 | 73.2 | 83.4 | 91.8 | 89.5 | 79.9 | 66.8 | 49.3 | 38.0 | 65.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.0 | 36.5 | 45.6 | 51.1 | 58.5 | 67.4 | 74.2 | 71.2 | 62.8 | 51.6 | 39.6 | 30.3 | 51.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.7 | 26.6 | 33.3 | 36.5 | 43.7 | 51.3 | 56.6 | 52.9 | 45.6 | 36.3 | 30.0 | 22.6 | 38.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1054. | 799. | 602. | 421. | 229. | 62. | 6. | 18. | 129. | 420. | 760. | 1076. | 5577. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 26. | 133. | 291. | 210. | 61. | 3. | 0. | 0. | 727. |