Aviation Digital Data Service (ADDS)

Output produced by METARs form (0922 UTC 01 April 2015)
found at http://aviationweather.gov/adds/metars/
 
KDTW 010904Z 0109/0212 20005KT 6SM BR BKN090 
     FM011100 20003KT 3SM BR SCT090 
     FM011300 30005KT P6SM SCT035 
     FM011800 15006KT P6SM SKC