19 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul 24 Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 06:43:12 06:43:50 06:49:02 13:39:38 14:07:42 14:25:28 20:37:50 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:01:01 04:01:10 04:03:04 04:03:12 04:03:44 04:03:52 Jul Aug Sep Oct Nov 8 2 Nov 8, 2017 2 instances 15:47:56 15:47:59 Dec 25 2 Dec 25, 2017 2 instances 05:57:26 12:16:28