17 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 06:42:40 06:43:22 06:48:33 13:30:44 14:00:00 14:16:40 20:37:34 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 04:00:15 04:00:23 04:02:20 04:02:27 04:03:00 04:03:07 Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 05:57:03 12:08:00