GOES - X-ray flare-like events
             Daily summary
from 20130505 1958 to 20130506 1011  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130505    2000 - 2013          C    -5.0783
    20130505    2059 - 2059          C    -5.9508
    20130505    2302 - 2306          C    -5.857
    20130506    0010 - 0020          C    -5.6383
    20130506    0106 - 0107          C    -5.9586
    20130506    0146 - 0146          C    -5.9957
    20130506    0201 - 0236          C    -5.6126
    20130506    0255 - 0259          C    -5.9626
    20130506    0806 - 0812          C    -5.8729
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.