Aviation Digital Data Service (ADDS)

Output produced by METARs form (1952 UTC 23 October 2014)
found at http://aviationweather.gov/adds/metars/
 
KORD 231947Z 2320/2424 20011G17KT P6SM BKN200 
     FM240000 20008KT P6SM VCSH SCT035 OVC060 
     FM240200 22005KT P6SM BKN025 OVC040 
     FM240300 21006KT P6SM SCT010 BKN015 
     FM241400 23005KT P6SM SCT010 BKN020 
     FM241800 23008KT P6SM SCT025