hec_id,time_start,time_peak,time_end,nar,lat_hg,long_hg,long_carr,xray_class,optical_class 30575171,2015-04-05 03:08:00.0,2015-04-05 03:36:00.0,2015-04-05 03:57:00.0,,,,,C1.9, 30575172,2015-04-05 18:26:00.0,2015-04-05 18:34:00.0,2015-04-05 18:42:00.0,12320,,,,B7.5, 30575173,2015-04-05 20:39:00.0,2015-04-05 21:03:00.0,2015-04-05 21:29:00.0,12320,,,,C3.0,