Aviation Digital Data Service (ADDS)

Output produced by METARs form (0318 UTC 21 September 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KDEN 210309Z 2103/2206 17013KT P6SM SKC 
     FM210700 20011KT P6SM SKC 
     FM211300 24009KT P6SM SKC 
     FM211600 19014KT P6SM FEW220 
     FM211900 17016G27KT P6SM FEW140