GOES - X-ray flare-like events Daily summary from 20130302 1900 to 20130303 1057 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130302 1900 - 1900 C -5.9914 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.