Aviation Digital Data Service (ADDS)

Output produced by METARs form (1339 UTC 27 April 2015)
found at http://aviationweather.gov/adds/metars/
 
KRWI 271121Z 2712/2812 29007KT P6SM FEW060 SCT100 SCT250 
     FM271600 33012KT P6SM FEW060 SCT100 SCT250 
     TEMPO 2718/2722 34013G18KT SCT070