GOES - X-ray flare-like events
             Daily summary
from 20130616 1958 to 20130617 0956  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130617    0317 - 0319          C    -5.9914
    20130617    0334 - 0405          C    -5.8928
    20130617    0450 - 0454          C    -5.9706
    20130617    0759 - 0904          C    -5.7471
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.