condition	mean	min	max
4 h after light	4.73408	3.29317	6.70395
8 h after light	3.9632133333333335	1.47799	5.73493
12 h after light	5.260596666666666	3.50278	6.90911
4 h after dark	7.12798	6.37061	8.61167
8 h after dark	6.02116	4.81237	7.25837
12 h after dark	5.2640633333333335	4.3003	5.84732