Temperature: the average annual temperature is 15.4 ℃, the historical highest temperature 43℃, the minimum temperature -14℃.
Hydrology: It belongs to Yangtze River tidal section. The highest water level is 10.22 m , the lowest level is1.54 m , the annual average water level is 5.31 m ( Wusong zero as the benchmark ); In dry season, average tidal range is 0.7 --0.9 m , during flood period ,the average tidal range varies from 0.3 to 0.5 m, the maximum tidal range is 1.56m, the minimum tidal range.is 0.1m.