Aviation Digital Data Service (ADDS)

Output produced by METARs form (1553 UTC 15 December 2017)
found at http://aviationweather.gov/adds/metars/
 
KSLK 151130Z 1512/1612 VRB05KT P6SM FEW100 
     FM151500 21006KT P6SM BKN110 
     FM160400 21005KT P6SM VCSH OVC040