Dataset {
    Float64 lat[lat = 85];
    Float64 lon[lon = 72];
    Grid {
      Array:
        Float64 aerosol_optical_depth_mean[lat = 85][lon = 72];
      Maps:
        Float64 lat[lat = 85];
        Float64 lon[lon = 72];
    } aerosol_optical_depth_mean;
} CAL_LID_L3_Tropospheric_APro_AllSky-Standard-V4-20.2007-12D.hdf.DJF.nc4;