Aviation Digital Data Service (ADDS)

Output produced by METARs form (0906 UTC 18 August 2017)
found at http://aviationweather.gov/adds/metars/
 
KRWI 180804Z 1808/1906 VRB03KT P6SM SCT004 
     TEMPO 1808/1812 5SM BR BKN004 
     FM181500 21006KT P6SM VCSH BKN035 
     FM181900 22009KT P6SM BKN050 
     PROB30 1900/1904 VRB15G25KT 2SM TSRA BKN025CB