GOES - X-ray flare-like events
             Daily summary
from 20130812 2012 to 20130813 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130813    0516 - 0518          C    -5.9586
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.