17 instances from 3 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 18:15:53 18:27:07 18:31:08 22 4 Jun 22, 2018 4 instances 04:00:33 16:46:59 17:29:09 17:37:26 23 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 3 Nov Dec 25 2 Dec 25, 2017 2 instances 15:05:53 15:22:24 2016 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 1 2 Oct 1, 2016 2 instances 06:08:20 06:14:01 4 3 Oct 4, 2016 3 instances 01:04:22 01:10:19 01:16:32 Nov Dec