Aviation Digital Data Service (ADDS)

Output produced by METARs form (2025 UTC 20 August 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KSFO 202005Z 2020/2124 21015G20KT P6SM SCT020 
     FM202300 24015KT P6SM FEW025 
     FM210300 29010KT P6SM FEW012 SCT025 
     FM210500 26005KT P6SM FEW009 OVC015 
     FM211800 20005KT P6SM SCT020