GOES - X-ray flare-like events
             Daily summary
from 20110331 1912 to 20110401 1041  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110331    2213 - 2234          C    -5.7747
    20110401    0150 - 0215          C    -5.4572
    20110401    0352 - 0400          C    -5.5017
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.