GOES - X-ray flare-like events Daily summary from 20130718 1958 to 20130719 1012 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130718 1958 - 2056 C -5.6253 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.