GOES - X-ray flare-like events Daily summary from 20130521 1958 to 20130522 0957 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130521 2145 - 2148 C -5.983 20130521 2204 - 2216 C -5.8013 20130521 2235 - 2248 C -5.5243 20130522 0025 - 0029 C -5.9281 20130522 0053 - 0106 C -5.6271 20130522 0231 - 0329 C -5.7011 20130522 0809 - 0957 C -5.6459 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.