GOES - X-ray flare-like events Daily summary from 20131205 1900 to 20131206 1112 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20131205 1900 - 1112 C -5.5686 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.