Aviation Digital Data Service (ADDS)

Output produced by METARs form (0051 UTC 06 December 2016)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 052330Z 0600/0706 14007KT 5SM BR OVC006 
     FM061200 VRB04KT 3SM BR OVC005 
     FM061800 27010KT P6SM BKN020 
     FM070300 27010KT P6SM SCT030