Aviation Digital Data Service (ADDS)

Output produced by METARs form (1313 UTC 21 May 2018)
found at http://aviationweather.gov/adds/metars/
 
KIAH 211120Z 2112/2218 VRB03KT P6SM BKN015 BKN040 
     FM211400 11007KT P6SM VCSH SCT030 BKN035 
     FM211800 13010KT P6SM VCTS BKN050CB 
     FM220200 16004KT P6SM BKN250 
     FM220900 13003KT P6SM BKN025 
     FM221400 11006KT P6SM BKN035