Aviation Digital Data Service (ADDS)

Output produced by METARs form (0816 UTC 20 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KGMU 200539Z 2006/2106 03010KT P6SM OVC050 
     FM201600 04013G23KT P6SM FEW060 
     FM202300 05009KT P6SM FEW250