9 instances from 2 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 03:32:18 03:32:32 03:33:23 19:30:14 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 02:20:39 02:20:46 02:22:46 Jul Aug Sep Oct 2 Nov Dec 25