7 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:42:22 03:43:06 03:44:04 Jul Aug Sep Oct Nov Dec 2016 - 3 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:05:22 11:21:14 13:28:44 Jul Aug Sep Oct Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18