Aviation Digital Data Service (ADDS)

Output produced by METARs form (1510 UTC 22 July 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 221356Z 2214/2318 20012G18KT P6SM SCT200 
     FM221800 22015G22KT P6SM FEW045 
     FM230100 24014G20KT P6SM VCTS BKN050CB 
     PROB30 2302/2305 3SM TSRA OVC040CB 
     FM230500 31010KT P6SM BKN040 
     FM230700 03012KT P6SM FEW010 BKN030 
     FM231400 02013G19KT P6SM BKN250