14 instances from 2 years 2018 - 13 instances Jan 5 Feb Mar Apr May Jun Jul 5 3 Jul 5, 2018 3 instances 14:21:16 17:20:41 17:37:34 6 9 Jul 6, 2018 9 instances 12:58:25 13:35:38 14:18:53 14:51:57 15:29:42 18:35:44 19:31:49 20:12:44 22:18:56 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec