Aviation Digital Data Service (ADDS)

Output produced by METARs form (0649 UTC 18 December 2017)
found at http://aviationweather.gov/adds/metars/
 
KCAK 180540Z 1806/1906 21006KT P6SM OVC035 
     FM181300 21009KT 4SM BR VCSH OVC007 
     TEMPO 1815/1819 1SM -SHRA BR OVC004 
     FM182200 23010KT 5SM BR OVC007