Aviation Digital Data Service (ADDS)

Output produced by METARs form (0034 UTC 20 August 2017)
found at http://aviationweather.gov/adds/metars/
 
KORD 192321Z 2000/2106 10008KT P6SM FEW050 
     FM200300 13003KT P6SM SKC 
     FM201500 20009KT P6SM SCT250