Aviation Digital Data Service (ADDS)

Output produced by METARs form (1320 UTC 05 July 2015)
found at http://aviationweather.gov/adds/metars/
 
KGMU 051239Z 0513/0612 22006KT P6SM SCT008 OVC100 
     FM051400 21010KT P6SM SCT050 BKN120 
     FM051900 21012G20KT P6SM VCTS BKN050CB 
     FM060000 21007KT P6SM SCT120 BKN250