19 instances from 3 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 8 Jun 21, 2018 8 instances 03:06:22 03:06:23 03:07:14 06:39:48 06:40:44 06:45:59 19:20:26 20:36:22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 02:02:36 02:03:05 02:04:27 03:54:39 03:56:45 03:57:23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 02:23:13 04:27:58 Nov Dec 25 2 Dec 25, 2017 2 instances 03:37:24 05:54:28