GOES - X-ray flare-like events
             Daily summary
from 20130315 1900 to 20130316 1057  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130316    0423 - 0437          C    -5.58
    20130316    0459 - 0702          C    -5.5482
    20130316    0704 - 0735          C    -5.6946
    20130316    0833 - 0833          C    -5.9747
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.