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

    STN    YYMMDD/HHMM      TMPF     T6NF     T6XF     P01I     TCLD     WTHR
    STL    200413/0000     59.00    59.00    60.98 -9999.00      BKN         
    STL    200413/0100     59.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200413/0200     57.92 -9999.00 -9999.00     0.00      OVC      R-F
    STL    200413/0300     57.92 -9999.00 -9999.00     0.02      OVC      R-F
    STL    200413/0400     51.98 -9999.00 -9999.00     0.29      OVC       R-
    STL    200413/0500     44.06 -9999.00 -9999.00     0.01      OVC         
    STL    200413/0600     39.92    39.92    59.00     0.00      OVC      L-F
    STL    200413/0700     39.02 -9999.00 -9999.00     0.01      OVC       L-
    STL    200413/0800     37.94 -9999.00 -9999.00     0.00      OVC         
    STL    200413/0900     37.94 -9999.00 -9999.00 -9999.00      OVC         
    STL    200413/1000     37.94 -9999.00 -9999.00 -9999.00      OVC         
    STL    200413/1100     37.04 -9999.00 -9999.00 -9999.00      OVC         
    STL    200413/1200     35.96    35.96    39.92 -9999.00      BKN         
    STL    200413/1300     37.94 -9999.00 -9999.00 -9999.00      BKN         
    STL    200413/1400     37.94 -9999.00 -9999.00 -9999.00      SCT         
    STL    200413/1500     39.02 -9999.00 -9999.00 -9999.00      SCT         
    STL    200413/1600     42.08 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200413/1700     44.06 -9999.00 -9999.00 -9999.00      SCT         
    STL    200413/1800     42.98    35.96    44.96 -9999.00      BKN         
    STL    200413/1900     44.96 -9999.00 -9999.00 -9999.00      BKN         
    STL    200413/2000     46.04 -9999.00 -9999.00 -9999.00      BKN         
    STL    200413/2100     46.04 -9999.00 -9999.00 -9999.00      BKN         
    STL    200413/2200     46.04 -9999.00 -9999.00 -9999.00      BKN         
    STL    200413/2300     46.04 -9999.00 -9999.00 -9999.00      BKN