Aviation Digital Data Service (ADDS)

Output produced by METARs form (0254 UTC 21 August 2017)
found at http://aviationweather.gov/adds/metars/
 
KART 210244Z 2103/2124 21007KT P6SM SKC 
     FM211700 23011G17KT P6SM FEW200 
     FM212000 23011KT P6SM FEW250