Aviation Digital Data Service (ADDS)

Output produced by METARs form (1501 UTC 05 July 2015)
found at http://aviationweather.gov/adds/metars/
 
KRWI 051140Z 0512/0612 21007KT P6SM SCT250 
     FM051630 22010KT P6SM VCSH SCT045 BKN120 
     PROB30 0521/0601 VRB15G30KT 3SM -TSRA SCT030 BKN045CB BKN120