condition	mean	min	max
4 h after light	5.516196666666667	4.14669	7.48089
8 h after light	1.807825	0.689335	2.48543
12 h after light	1.071482	0.582489	1.70843
4 h after dark	5.12049	3.16191	6.53437
8 h after dark	8.04588	7.78406	8.53457
12 h after dark	9.137903333333334	6.87109	12.1021