14 instances from 2 years 2018 - 13 instances Jan 5 Feb Mar Apr May Jun Jul 5 3 Jul 5, 2018 3 instances 14:21:15 17:20:41 17:37:34 6 9 Jul 6, 2018 9 instances 13:10:06 13:29:51 13:35:36 14:23:53 14:51:57 15:29:40 18:39:33 19:31:49 20:12:44 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec