GOES - X-ray flare-like events
             Daily summary
from 20131227 1900 to 20131228 1127  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20131227    2207 - 2211          C    -5.8894
    20131227    2218 - 2229          C    -5.9136
    20131227    2324 - 0012          C    -5.6326
    20131228    0056 - 0104          C    -5.983
    20131228    0722 - 0733          C    -5.9101
    20131228    0852 - 0916          C    -5.8447
    20131228    1105 - 1110          C    -5.9393
    20131228    1116 - 1123          C    -5.9031
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.