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 06:34:57 06:35:01 06:35:44 06:35:48 06:40:38 06:40:42 20:33:05 Jul Aug Sep Oct Nov Dec