Aviation Digital Data Service (ADDS)

Output produced by METARs form (0455 UTC 16 September 2014)
found at http://aviationweather.gov/adds/metars/
 
KIAH 160304Z 1603/1706 VRB03KT P6SM SCT040 BKN250 
     FM161500 10007KT P6SM VCSH BKN035 BKN250 
     FM161800 12010KT P6SM VCTS BKN040CB BKN250 
     FM162300 13006KT P6SM BKN050 BKN250