Aviation Digital Data Service (ADDS)

Output produced by METARs form (0157 UTC 22 January 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 220112Z 2201/2306 23005KT P6SM FEW250 
     FM220800 00000KT 4SM BR BCFG OVC006 
     FM221100 03003KT 1SM BR OVC004 
     FM221700 03007KT 3SM BR OVC006 
     FM221900 01010KT P6SM OVC015