GOES - X-ray flare-like events Daily summary from 20120103 1913 to 20120104 1111 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120104 0900 - 0904 C -5.8153 20120104 1104 - 1111 C -5.8794 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.