| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.5 | 39.7 | 49.0 | 57.4 | 66.8 | 77.2 | 87.9 | 87.0 | 76.5 | 62.7 | 46.0 | 35.7 | 60.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 23.4 | 27.6 | 36.3 | 43.2 | 51.7 | 60.5 | 69.0 | 67.9 | 58.2 | 46.1 | 33.2 | 23.7 | 45.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 11.2 | 15.4 | 23.7 | 29.0 | 36.6 | 43.8 | 50.2 | 48.7 | 39.8 | 29.4 | 20.3 | 11.8 | 30.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.96 | 0.69 | 0.92 | 1.13 | 1.47 | 1.09 | 0.75 | 0.81 | 0.77 | 0.95 | 0.88 | 1.12 | 11.54 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1291. | 1048. | 888. | 654. | 415. | 170. | 29. | 35. | 221. | 587. | 955. | 1278. | 7573. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 35. | 154. | 123. | 16. | 0. | 0. | 0. | 330. |