Aviation Digital Data Service (ADDS)

Output produced by METARs form (1937 UTC 17 July 2018)
found at http://aviationweather.gov/adds/metars/
 
KGGG 171720Z 1718/1818 24009KT 6SM HZ SCT090 
     FM180000 21006KT P6SM FEW060 BKN250 
     FM180400 18005KT P6SM BKN120 
     FM181400 24007KT P6SM SCT120