| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.0 | 34.6 | 42.7 | 50.5 | 61.3 | 73.1 | 79.5 | 76.8 | 68.3 | 54.8 | 40.8 | 31.7 | 54.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 23.8 | 25.8 | 32.9 | 39.8 | 49.2 | 58.8 | 66.1 | 63.9 | 55.4 | 43.8 | 31.6 | 23.3 | 43.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.6 | 17.0 | 23.2 | 29.0 | 37.0 | 44.4 | 52.8 | 51.0 | 42.5 | 32.8 | 22.5 | 14.8 | 31.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.93 | 1.02 | 1.25 | 0.91 | 1.28 | 0.86 | 1.19 | 1.52 | 1.43 | 1.42 | 1.19 | 1.04 | 14.04 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1277. | 1097. | 994. | 757. | 492. | 204. | 48. | 77. | 291. | 657. | 1000. | 1294. | 8189. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 17. | 83. | 42. | 3. | 0. | 0. | 0. | 146. |