netcdf avhrr_500km_climatology.nc {
  dimensions:
    lon = 78;
    lat = 39;
    time = 1;
  variables:
    double lon(lon=78);
      :units = "degrees_east";
      :long_name = "lon";

    double lat(lat=39);
      :units = "degrees_north";
      :long_name = "lat";

    int time(time=1);
      :units = "seconds since 1970-01-01";
      :long_name = "time";

    float sst(time=1, lat=39, lon=78);
      :units = "degree_C";
      :_FillValue = -999.0; // double
      :missing_value = -999.0; // double

}