GOES - X-ray flare-like events Daily summary from 20130627 1958 to 20130628 0957 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130628 0141 - 0313 C -5.3556 20130628 0334 - 0422 C -5.1343 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.