12 instances from 2 years 2018 - 11 instances Jan Feb Mar Apr May Jun 22 4 Jun 22, 2018 4 instances 16:29:21 17:36:19 18:19:56 21:38:02 23 2 Jun 23, 2018 2 instances 01:04:49 13:14:21 Jul 5 6 3 Jul 6, 2018 3 instances 12:51:00 13:42:11 15:48:06 7 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 31 Sep Oct Nov Dec