condition	mean	min	max
4 h after light	6.04773	5.75442	6.34104
8 h after light	4.989425000000001	4.98261	4.99624
12 h after light	8.142759999999999	8.0719	8.21362
4 h after dark	9.461245	8.93237	9.99012
8 h after dark	9.84189	9.67808	10.0057
12 h after dark	8.700154999999999	8.40261	8.9977