Aviation Digital Data Service (ADDS)

Output produced by METARs form (0249 UTC 24 July 2016)
found at http://www.aviationweather.gov/adds/metars/
 
KSFO 232340Z 2400/2506 30018G25KT P6SM SKC 
     FM240400 30012KT P6SM FEW013 
     FM240900 29007KT P6SM SCT012 
     FM241200 28006KT P6SM OVC012 
     FM241700 31006KT P6SM SCT015 
     FM241900 30012KT P6SM SKC 
     FM242100 29016G22KT P6SM SKC