Aviation Digital Data Service (ADDS)

Output produced by METARs form (0715 UTC 18 April 2015)
found at http://aviationweather.gov/adds/metars/
 
KSLK 180520Z 1806/1906 00000KT P6SM BKN070 
     FM181400 23009KT P6SM SCT100 
     FM181500 24012KT P6SM BKN090 
     FM181900 30012G20KT P6SM BKN060 
     FM190200 26004KT P6SM SCT250