PARM = TMPF;T6NF;T6XF;P01I;TCLD;WTHR                                            

    STN    YYMMDD/HHMM      TMPF     T6NF     T6XF     P01I     TCLD     WTHR
    STL    200420/0000     66.02    66.02    71.06 -9999.00      BKN         
    STL    200420/0100     64.94 -9999.00 -9999.00 -9999.00      SCT         
    STL    200420/0200     62.06 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200420/0300     60.08 -9999.00 -9999.00 -9999.00      SCT         
    STL    200420/0400     57.92 -9999.00 -9999.00 -9999.00      SCT         
    STL    200420/0500     55.94 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200420/0600     53.96    53.96    66.02 -9999.00      CLR         
    STL    200420/0700     50.00 -9999.00 -9999.00 -9999.00      CLR         
    STL    200420/0800     51.98 -9999.00 -9999.00 -9999.00      CLR         
    STL    200420/0900     46.94 -9999.00 -9999.00 -9999.00      CLR         
    STL    200420/1000     48.02 -9999.00 -9999.00 -9999.00      CLR         
    STL    200420/1100     46.94 -9999.00 -9999.00 -9999.00      CLR         
    STL    200420/1200     44.96    44.96    53.96 -9999.00      CLR         
    STL    200420/1300     50.00 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200420/1400     55.04 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200420/1500     59.00 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200420/1600     62.06 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200420/1700     66.02 -9999.00 -9999.00 -9999.00      SCT         
    STL    200420/1800     66.92    44.96    66.92 -9999.00      SCT         
    STL    200420/1900     66.92 -9999.00 -9999.00 -9999.00      SCT         
    STL    200420/2000     69.98 -9999.00 -9999.00 -9999.00      BKN         
    STL    200420/2100     68.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200420/2200     68.00 -9999.00 -9999.00     0.00      BKN         
    STL    200420/2300     68.00 -9999.00 -9999.00 -9999.00      BKN