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

    STN    YYMMDD/HHMM      TMPF     T6NF     T6XF     P01I     TCLD     WTHR
    STL    200426/0000     51.08    50.00    51.98     0.00      OVC         
    STL    200426/0100     50.00 -9999.00 -9999.00     0.00      OVC       R-
    STL    200426/0200     50.00 -9999.00 -9999.00     0.00      OVC         
    STL    200426/0300     50.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200426/0400     50.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200426/0500     50.00 -9999.00 -9999.00 -9999.00      OVC         
    STL    200426/0600     50.00    50.00    51.08 -9999.00      OVC         
    STL    200426/0700     48.02 -9999.00 -9999.00 -9999.00      BKN         
    STL    200426/0800     46.94 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/0900     46.04 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/1000     44.06 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/1100     42.98 -9999.00 -9999.00 -9999.00      SCT         
    STL    200426/1200     42.98    42.08    50.00 -9999.00      SCT         
    STL    200426/1300     48.92 -9999.00 -9999.00 -9999.00      SCT         
    STL    200426/1400     53.06 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/1500     57.02 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/1600     60.08 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/1700     62.06 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/1800     64.04    42.98    64.04 -9999.00     -SCT         
    STL    200426/1900     66.02 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/2000     66.02 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/2100     66.02 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/2200     66.02 -9999.00 -9999.00 -9999.00     -SCT         
    STL    200426/2300     66.02 -9999.00 -9999.00 -9999.00     -SCT