Aviation Digital Data Service (ADDS)

Output produced by METARs form (0322 UTC 18 April 2015)
found at http://aviationweather.gov/adds/metars/
 
KRWI 172328Z 1800/1824 20003KT P6SM FEW040 OVC120 
     FM180600 VRB03KT 4SM BR SCT015 BKN050 
     FM181200 06006KT P6SM VCSH BKN015 
     FM182100 05005KT P6SM OVC050