9 instances from 2 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 07:47:49 07:48:43 07:56:14 20:58:08 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 03:51:46 03:53:53 03:54:29 Jul Aug Sep Oct 2 Nov Dec 25