GOES - X-ray flare-like events
             Daily summary
from 20131213 1900 to 20131214 1112  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20131213    2234 - 2236          C    -5.983
    20131213    2258 - 2301          C    -5.9031
    20131214    0940 - 0941          C    -5.9281
    20131214    1108 - 1112          C    -5.9031
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.