GOES - X-ray flare-like events
             Daily summary
from 20130917 2013 to 20130918 1011  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130918    0259 - 0347          C    -5.4034
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.