Aviation Digital Data Service (ADDS)

Output produced by METARs form (0147 UTC 21 December 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KSPI 202328Z 2100/2124 14005KT P6SM OVC025 
     TEMPO 2100/2103 OVC035 
     FM210300 15005KT P6SM OVC018 
     FM211800 16010KT P6SM OVC025