Aviation Digital Data Service (ADDS)

Output produced by METARs form (0651 UTC 02 September 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 020520Z 0206/0312 28005KT P6SM SCT040 BKN150 
     TEMPO 0206/0209 -SHRA OVC045 
     FM021700 25007KT P6SM FEW050 FEW250 
     FM030100 VRB03KT P6SM SKC