GOES - X-ray flare-like events
             Daily summary
from 20130618 1958 to 20130619 0957  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130618    2300 - 2323          C    -5.7825
    20130619    0055 - 0118          C    -5.6289
    20130619    0723 - 0748          C    -5.4498
    20130619    0930 - 0957          C    -5.0716
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.