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

    STN    YYMMDD/HHMM      TMPF     T6NF     T6XF     P01I     TCLD     WTHR
    STL    200406/0000     53.96    50.00    55.94 -9999.00      BKN         
    STL    200406/0100     53.06 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/0200     51.98 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/0300     51.98 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/0400     51.08 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/0500     51.08 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/0600     50.00    50.00    53.96 -9999.00      OVC         
    STL    200406/0700     50.00 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200406/0800     46.94 -9999.00 -9999.00 -9999.00      CLR         
    STL    200406/0900     48.02 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/1000     48.92 -9999.00 -9999.00 -9999.00      OVC        F
    STL    200406/1100     50.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/1200     51.08    46.04    51.08 -9999.00      OVC         
    STL    200406/1300     51.98 -9999.00 -9999.00 -9999.00      OVC        H
    STL    200406/1400     53.96 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/1500     55.04 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/1600     57.92 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/1700     59.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200406/1800     64.04    51.08    64.04 -9999.00      OVC         
    STL    200406/1900     68.00 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/2000     69.98 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/2100     73.04 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/2200     73.94 -9999.00 -9999.00 -9999.00      BKN         
    STL    200406/2300     75.92 -9999.00 -9999.00 -9999.00      SCT