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

    STN    YYMMDD/HHMM      TMPF     T6NF     T6XF     P01I     TCLD     WTHR
    STL    200421/0000     66.92    66.02    71.06 -9999.00      BKN         
    STL    200421/0100     64.04 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/0200     60.98 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/0300     59.00 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/0400     60.08 -9999.00 -9999.00 -9999.00      BKN         
    STL    200421/0500     59.00 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/0600     57.02    57.02    66.92 -9999.00      CLR         
    STL    200421/0700     55.94 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/0800     57.02 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/0900     53.06 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/1000     51.98 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/1100     51.98 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/1200     51.98    51.08    59.00 -9999.00     -SCT         
    STL    200421/1300     51.08 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/1400     53.96 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/1500     55.04 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/1600     57.92 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200421/1700     60.08 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/1800     62.06    51.08    62.06 -9999.00      CLR         
    STL    200421/1900     62.96 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/2000     64.04 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/2100     66.02 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/2200     64.94 -9999.00 -9999.00 -9999.00      CLR         
    STL    200421/2300     64.94 -9999.00 -9999.00 -9999.00      CLR