condition	mean	min	max
4 h after light	6.5913	5.28026	7.90234
8 h after light	6.314220000000001	6.27609	6.35235
12 h after light	8.29326	7.71857	8.86795
4 h after dark	10.624233333333333	10.2377	11.0184
8 h after dark	10.6735	10.564	10.7405
12 h after dark	7.423476666666667	6.62852	7.87494