GOES - X-ray flare-like events Daily summary from 20130905 2012 to 20130906 0957 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130905 2211 - 2231 C -5.8416 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.