Aviation Digital Data Service (ADDS)

Output produced by METARs form (1304 UTC 21 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KSLK 211120Z 2112/2212 23010G17KT P6SM OVC080 
     FM220100 VRB02KT P6SM VCSH OVC070