Aviation Digital Data Service (ADDS)

Output produced by METARs form (2002 UTC 06 March 2015)
found at http://aviationweather.gov/adds/metars/
 
KIAH 061720Z 0618/0724 05007KT P6SM SCT250 
     FM070200 00000KT P6SM FEW250 
     FM071500 09006KT P6SM SCT250