condition	mean	min	max
4 h after light	2.63655	1.70447	3.56863
8 h after light	4.687015000000001	4.4968	4.87723
12 h after light	7.805805	6.955	8.65661
4 h after dark	11.6051	11.1084	12.2834
8 h after dark	8.464446666666667	7.761	8.96814
12 h after dark	4.991366666666667	4.56468	5.27237