Aviation Digital Data Service (ADDS)

Output produced by METARs form (0308 UTC 22 October 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KBMI 212320Z 2200/2224 06006KT P6SM SKC 
     TEMPO 2210/2212 4SM BR 
     FM221500 12008KT P6SM SKC