| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.7 | 42.1 | 48.8 | 55.9 | 64.9 | 74.5 | 85.0 | 84.2 | 76.0 | 63.2 | 46.8 | 38.2 | 60.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.7 | 32.2 | 38.0 | 43.5 | 51.1 | 59.3 | 67.8 | 66.2 | 58.5 | 48.0 | 36.4 | 29.3 | 46.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.7 | 22.4 | 27.3 | 31.0 | 37.4 | 44.0 | 50.5 | 48.3 | 41.0 | 32.8 | 26.0 | 20.3 | 33.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.75 | 1.52 | 1.47 | 1.38 | 1.40 | 0.89 | 0.37 | 0.26 | 0.65 | 0.94 | 1.84 | 2.20 | 14.67 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1094. | 917. | 836. | 646. | 433. | 199. | 47. | 59. | 216. | 528. | 858. | 1108. | 6941. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 27. | 132. | 98. | 21. | 0. | 0. | 0. | 282. |