GOES - X-ray flare-like events
             Daily summary
from 20130312 1900 to 20130313 1056  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130312    2245 - 2253          C    -5.4437
    20130312    2340 - 0209          C    -5.7305
    20130313    0433 - 0437          C    -5.9586
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.