Aviation Digital Data Service (ADDS)

Output produced by METARs form (2108 UTC 11 February 2016)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 112056Z 1121/1224 29007KT P6SM FEW030 
     FM120300 25007KT P6SM BKN100 
     FM121100 27013KT P6SM -SN BKN030 
     FM121600 30014G20KT P6SM SCT030 BKN040 
     FM121900 31015G23KT P6SM SCT040 BKN050