Tidal metrics for each gauge location in meters.

Two values are shown in the form “measured, spline”: the first is the value computed from measurements and the second is the value computed from the spline.两组数值以「实测值，样条值」的形式呈现：其中第一项为基于实测数据计算得到的数值，第二项为通过样条（spline）计算得到的数值。