Attributes {
    X {
        String standard_name "longitude";
        Float32 pointwidth 0.25;
        Int32 gridtype 0;
        String units "degree_east";
    }
    Y {
        String standard_name "latitude";
        Float32 pointwidth 0.25;
        Int32 gridtype 0;
        String units "degree_north";
    }
    TRNUM {
        String units "unitless";
        String long_name "number of tide gauge stations used in tide calculations";
    }
NC_GLOBAL {
    String Conventions "IRIDL";
}
}