18 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 19:12:26 19:21:46 19:26:09 19:47:38 19:50:29 19:51:51 21:48:13 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:46:23 12:08:51 12:27:40 12:28:04 12:45:48 12:50:39 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:59:41 12:22:01 Nov Dec 25 2 Dec 25, 2017 2 instances 15:41:46 16:09:17