13 instances from 2 years 2018 - 12 instances Jan 5 Feb Mar Apr May Jun Jul 5 3 Jul 5, 2018 3 instances 14:21:18 17:20:41 17:37:34 6 8 Jul 6, 2018 8 instances 13:35:37 14:18:53 14:51:56 15:15:36 15:29:40 16:44:30 19:31:49 20:12:43 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec