Aviation Digital Data Service (ADDS)

Output produced by METARs form (0647 UTC 23 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KORD 230525Z 2306/2412 02005KT P6SM SKC 
     FM231600 05009KT P6SM SCT200 
     FM232300 09007KT P6SM BKN090 OVC250 
     FM240400 10006KT P6SM VCSH BKN060 OVC090 
     PROB30 2404/2408 P6SM -SHRA