8 instances from 2 years 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 06:33:41 06:33:44 06:34:27 06:34:31 06:39:24 06:39:28 20:32:38 Jul Aug Sep Oct Nov Dec