condition	mean	min	max
4 h after light	5.469213333333333	5.2813099999999995	5.76673
8 h after light	5.46028	5.304530000000001	5.59731
12 h after light	5.116956666666667	4.84647	5.35383
4 h after dark	5.34058	5.09061	5.61487
8 h after dark	5.18938	4.97366	5.38692
12 h after dark	5.560943333333333	5.325830000000001	5.92444