condition	mean	min	max
4 h after light	10.293363333333334	6.98569	13.6545
8 h after light	8.68308	2.11732	14.7188
12 h after light	9.23188	5.01136	14.1076
4 h after dark	15.319333333333333	13.2845	17.8594
8 h after dark	17.444699999999997	11.2099	20.938
12 h after dark	14.988333333333333	12.2454	17.1425