7 instances from 2 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 06:00:21 08:37:22 09:02:31 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 06:18:40 06:39:28 Jul Aug Sep Oct 2 Nov Dec 25