Aviation Digital Data Service (ADDS)

Output produced by METARs form (0134 UTC 23 October 2014)
found at http://aviationweather.gov/adds/metars/
 
KPWM 222320Z 2300/2324 03016G30KT P6SM OVC011 
     TEMPO 2300/2304 2SM -RADZ BR OVC004 
     FM230400 03017G30KT 3SM -RADZ BR OVC004 
     FM231500 03016G28KT 2SM RA BR OVC005