6 instances from 2 years 2018 - 5 instances Jan Feb Mar Apr May Jun Jul 5 3 Jul 5, 2018 3 instances 17:28:16 19:12:42 21:43:02 6 2 Jul 6, 2018 2 instances 17:02:27 23:07:56 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec