GOES - X-ray flare-like events
             Daily summary
from 20130320 1900 to 20130321 1042  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130320    1932 - 1932          C    -5.9626
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.