| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 24.4 | 28.0 | 36.2 | 43.3 | 51.9 | 61.6 | 71.6 | 71.4 | 61.6 | 47.8 | 33.5 | 24.3 | 46.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 12.8 | 14.6 | 22.7 | 30.7 | 39.9 | 48.5 | 56.6 | 55.7 | 46.7 | 35.8 | 23.7 | 14.6 | 33.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 1.2 | 1.2 | 9.2 | 18.0 | 28.0 | 35.4 | 41.6 | 39.9 | 31.8 | 23.7 | 13.8 | 5.0 | 20.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.65 | 1.61 | 1.80 | 1.78 | 2.47 | 2.25 | 1.62 | 1.60 | 1.46 | 1.18 | 1.85 | 1.63 | 20.90 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1618. | 1411. | 1311. | 1030. | 777. | 495. | 265. | 291. | 549. | 907. | 1241. | 1561. | 11456. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 4. | 1. | 0. | 0. | 0. | 0. | 5. |