| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.4 | 46.7 | 55.2 | 61.4 | 68.0 | 76.5 | 86.2 | 86.6 | 78.5 | 66.2 | 49.7 | 41.3 | 63.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.2 | 34.4 | 41.2 | 46.3 | 52.7 | 59.5 | 66.8 | 65.2 | 57.2 | 48.7 | 37.0 | 29.9 | 47.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.9 | 22.1 | 27.1 | 31.2 | 37.4 | 42.5 | 47.3 | 43.8 | 36.0 | 31.3 | 24.4 | 18.5 | 31.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.94 | 0.98 | 1.08 | 1.43 | 1.62 | 0.92 | 0.32 | 0.40 | 0.58 | 1.11 | 1.12 | 1.30 | 11.80 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1049. | 857. | 739. | 561. | 386. | 189. | 48. | 65. | 242. | 505. | 838. | 1088. | 6567. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 24. | 102. | 71. | 9. | 1. | 0. | 0. | 212. |