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

    STN    YYMMDD/HHMM      TMPF     T6NF     T6XF     P01I     TCLD     WTHR
    STL    200316/0000     42.08    37.94    42.08 -9999.00      OVC         
    STL    200316/0100     42.08 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/0200     42.08 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/0300     41.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/0400     41.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/0500     41.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/0600     39.92    39.92    42.08 -9999.00      BKN         
    STL    200316/0700     39.02 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/0800     37.94 -9999.00 -9999.00 -9999.00      SCT         
    STL    200316/0900     37.04 -9999.00 -9999.00 -9999.00      BKN         
    STL    200316/1000     37.04 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/1100     37.94 -9999.00 -9999.00 -9999.00      BKN         
    STL    200316/1200     39.02    35.96    39.92 -9999.00      OVC         
    STL    200316/1300     39.02 -9999.00 -9999.00     0.00      OVC       R-
    STL    200316/1400     39.92 -9999.00 -9999.00     0.00      OVC         
    STL    200316/1500     39.02 -9999.00 -9999.00     0.01      OVC       R-
    STL    200316/1600     39.92 -9999.00 -9999.00     0.02      OVC        H
    STL    200316/1700     42.08 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/1800     42.98    39.02    42.98     0.00      OVC       R-
    STL    200316/1900     44.06 -9999.00 -9999.00     0.00      OVC       R-
    STL    200316/2000     44.06 -9999.00 -9999.00     0.00      OVC         
    STL    200316/2100     44.96 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/2200     44.96 -9999.00 -9999.00 -9999.00      OVC         
    STL    200316/2300     46.04 -9999.00 -9999.00 -9999.00      OVC