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 07:56:46 07:56:50 07:57:38 07:57:42 08:05:16 08:05:19 21:01:01 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 15:04:24 15:06:09 15:33:26 15:35:01 15:45:42 15:47:27 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 05:10:41 05:10:50 Nov Dec 25 2 Dec 25, 2017 2 instances 06:52:29 06:52:32