Aviation Digital Data Service (ADDS)

Output produced by METARs form (2122 UTC 03 September 2015)
found at http://aviationweather.gov/adds/metars/
 
KORD 031937Z 0320/0424 26011G18KT P6SM SCT040 BKN050 
     FM032230 29010KT P6SM VCTS BKN050CB BKN250 
     FM040000 04009KT P6SM VCTS SCT030 BKN050CB BKN250 
     FM040200 03005KT 6SM BR SCT020 BKN040 
     FM041400 07006KT P6SM SCT050