GOES - X-ray flare-like events
             Daily summary
from 20140503 1958 to 20140504 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20140503    2021 - 2037          C    -5.7447
    20140503    2338 - 0009          C    -5.9281
    20140504    0222 - 0236          C    -5.9066
    20140504    0901 - 0919          C    -5.585
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.