GOES - X-ray flare-like events
             Daily summary
from 20130607 1958 to 20130608 0956  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130607    2217 - 2222          C    -5.9431
    20130607    2234 - 2237          C    -5.1494
    20130607    2238 - 2329          M    -4.224
    20130607    2330 - 0126          C    -5.0164
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.