GOES - X-ray flare-like events Daily summary from 20130404 1900 to 20130405 1027 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130405 0627 - 0835 C -5.6676 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.