GOES - X-ray flare-like events
             Daily summary
from 20131216 1913 to 20131217 1112  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20131216    1940 - 0041          C    -5.5086
    20131217    0107 - 0107          C    -5.9431
    20131217    0339 - 0352          C    -5.9393
    20131217    0410 - 0432          C    -5.9031
    20131217    0439 - 0442          C    -5.9914
    20131217    0520 - 0529          C    -5.9066
    20131217    0532 - 0542          C    -5.9431
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.