12 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 - 4 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 12:39:42 13:14:14 13:30:24 22 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 08:55:48 08:59:17 09:00:31 Jul Aug 28 Sep Oct 2 Nov Dec 25