if (substr(g,0,3) is "FEW" || substr(g,0,3) is "SCT" ||
    substr(g,0,3) is "BKN" || substr(g,0,3) is "OVC") {

    rename(g,clouds1Trend3);
    group g : dump; non_alpha na;
		cloudsAbbreviation1Trend3=to_string(clouds1Trend3,0,3);
		cloudsCode1Trend3=dict_search("metar/clouds.table",cloudsAbbreviation1Trend3,1);
		cloudsTitle1Trend3=dict_search("metar/clouds.table",cloudsAbbreviation1Trend3,2) : string_type;
		cloudsBaseCoded1Trend3=to_integer(clouds1Trend3,3,3);
		meta cloudsBase1Trend3 evaluate(cloudsBaseCoded1Trend3 * 100 );
    if (substr(g,0,3) is "FEW" || substr(g,0,3) is "SCT" ||
        substr(g,0,3) is "BKN" || substr(g,0,3) is "OVC") {
          rename(g,clouds2Trend3);
          group g : dump; non_alpha na;
				  cloudsAbbreviation2Trend3=to_string(clouds2Trend3,0,3);
		      cloudsCode2Trend3=dict_search("metar/clouds.table",cloudsAbbreviation2Trend3,1);
	      	cloudsTitle2Trend3=dict_search("metar/clouds.table",cloudsAbbreviation2Trend3,2) : string_type;
		      cloudsBaseCoded2Trend3=to_integer(clouds2Trend3,3,3);
				  meta cloudsBase2Trend3 evaluate(cloudsBaseCoded2Trend3 * 100 );
    }
    if (substr(g,0,3) is "FEW" || substr(g,0,3) is "SCT" ||
        substr(g,0,3) is "BKN" || substr(g,0,3) is "OVC") {
          rename(g,clouds3Trend3);
          group g : dump; non_alpha na;
				  cloudsAbbreviation3Trend3=to_string(clouds3Trend3,0,3);
		      cloudsCode3Trend3=dict_search("metar/clouds.table",cloudsAbbreviation3Trend3,1);
	      	cloudsTitle3Trend3=dict_search("metar/clouds.table",cloudsAbbreviation3Trend3,2) : string_type;
		      cloudsBaseCoded3Trend3=to_integer(clouds3Trend3,3,3);
				  meta cloudsBase3Trend3 evaluate(cloudsBaseCoded3Trend3 * 100 );
    }
    if (substr(g,0,3) is "FEW" || substr(g,0,3) is "SCT" ||
        substr(g,0,3) is "BKN" || substr(g,0,3) is "OVC") {
          rename(g,clouds4Trend3);
          group g : dump; non_alpha na;
				  cloudsAbbreviation4Trend3=to_string(clouds4Trend3,0,3);
		      cloudsCode4Trend3=dict_search("metar/clouds.table",cloudsAbbreviation4Trend3,1);
	      	cloudsTitle4Trend3=dict_search("metar/clouds.table",cloudsAbbreviation4Trend3,2) : string_type;
		      cloudsBaseCoded4Trend3=to_integer(clouds4Trend3,3,3);
				  meta cloudsBase4Trend3 evaluate(cloudsBaseCoded4Trend3 * 100 );
    }
} else {
		if ( g is "SKC"  || g is "CLR" ) {
				rename(g,skyClearTrend3);
				group g : dump; non_alpha na;
		} else {
				if ( substr(g,0,2) is "VV" ) {
						rename(g,verticalVisibilityTrend3);
						group g : dump; non_alpha na;
				}
				if ( g is "NSC" ) {
						rename(g,noSignificantCloudsTrend3);
						group g : dump; non_alpha na;
				}
				if ( g is "NCD" ) {
						rename(g,noCloudsDetectedTrend3);
						group g : dump; non_alpha na;
				}
		}
}