GOES - X-ray flare-like events Daily summary from 20130601 2058 to 20130602 0957 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130602 0511 - 0538 C -5.7423 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.