| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.5 | 44.7 | 55.2 | 62.8 | 71.8 | 80.8 | 90.3 | 89.2 | 78.6 | 65.4 | 48.6 | 37.7 | 63.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.9 | 35.2 | 43.5 | 49.6 | 57.7 | 65.7 | 73.6 | 72.4 | 62.9 | 51.6 | 38.9 | 30.1 | 51.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.4 | 25.7 | 31.7 | 36.3 | 43.5 | 50.6 | 56.9 | 55.7 | 47.1 | 37.8 | 29.2 | 22.4 | 38.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.66 | 1.40 | 1.55 | 1.26 | 1.40 | 0.83 | 0.31 | 0.30 | 0.51 | 0.86 | 1.65 | 2.08 | 13.81 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1086. | 834. | 668. | 465. | 255. | 81. | 12. | 15. | 128. | 418. | 783. | 1083. | 5830. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 27. | 102. | 278. | 246. | 64. | 3. | 0. | 0. | 722. |