Aviation Digital Data Service (ADDS)

Output produced by METARs form (0622 UTC 22 October 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 220530Z 2206/2312 06005KT P6SM BKN030 
     FM220800 05004KT P6SM SCT035 
     FM221400 12006KT P6SM SKC 
     FM221800 09007KT P6SM SKC 
     FM230200 15004KT P6SM FEW250