Aviation Digital Data Service (ADDS)

Output produced by METARs form (1710 UTC 21 November 2017)
found at http://aviationweather.gov/adds/metars/
 
KSFO 211612Z 2116/2218 10007KT P6SM FEW050 BKN150 
     FM211700 VRB04KT P6SM FEW008 SCT120 
     FM220000 33006KT P6SM FEW012 
     FM220400 32004KT P6SM SCT012 
     FM220900 VRB04KT P6SM BKN040 
     FM221700 VRB04KT P6SM FEW040