Aviation Digital Data Service (ADDS)

Output produced by METARs form (1308 UTC 22 November 2017)
found at http://aviationweather.gov/adds/metars/
 
KIAH 221301Z 2213/2318 36011KT P6SM SCT012 SCT060 
     FM221500 01014KT P6SM SCT045 
     FM221800 35013KT P6SM SKC 
     FM230100 35004KT P6SM SKC