GOES - X-ray flare-like events Daily summary from 20130213 1900 to 20130214 1111 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130214 0428 - 0431 C -5.983 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.