13 instances from 2 years 2018 - 11 instances Jan Feb Mar Apr May 24 29 Jun 21 22 4 Jun 22, 2018 4 instances 05:52:43 16:16:36 18:27:56 21:19:44 Jul 3 5 2 Jul 5, 2018 2 instances 10:18:55 14:19:41 6 Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun 23 Jul Aug Sep 3 Oct Nov Dec