19 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 07:55:05 07:55:08 07:55:57 07:56:00 08:03:33 08:03:37 21:00:31 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:24:13 04:24:20 04:25:59 04:26:06 04:26:33 04:26:40 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:09:41 05:09:48 Nov Dec 25 2 Dec 25, 2017 2 instances 06:50:50 06:50:53