condition	mean	min	max
4 h after light	6.419560000000001	6.13262	6.7065
8 h after light	4.92897	4.63742	5.22052
12 h after light	4.526529999999999	4.40126	4.6518
4 h after dark	5.99409	5.24959	6.73859
8 h after dark	5.411715	5.40018	5.42325
12 h after dark	6.492695	6.44852	6.53687