common flag_common,                        $
        zonal_average_flag,  $
        lat_avg_flag, $
        map_fraction_flag, $
        top_antarctic_flag, $
        top_arctic_flag, $
        top_world_flag, $
        base_antarctic_flag, $
        base_arctic_flag, $
        base_world_flag,    $
        location_stats_flag,   $
        multiple_flag,         $
        day_night_flag,        $
        lat_average_flag,      $
        flag_climo