Dataset {
    Float64 altitude[altitude = 1];
    Float64 lat[lat = 4096];
    Float64 lon[lon = 8192];
    Float64 time[time = 3];
    Grid {
      Array:
        Float32 PHssta[time = 3][altitude = 1][lat = 4096][lon = 8192];
      Maps:
        Float64 time[time = 3];
        Float64 altitude[altitude = 1];
        Float64 lat[lat = 4096];
        Float64 lon[lon = 8192];
    } PHssta;
} mday_joinExist.ncml;