GOES - X-ray flare-like events
             Daily summary
from 20131028 1900 to 20131029 1041  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20131028    1900 - 2054          C    -5.2175
    20131028    2055 - 2100          M    -4.8182
    20131028    2101 - 1041          C    -5.0227
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.