condition	mean	min	max
4 h after light	7.609396666666667	7.19061	8.00447
8 h after light	6.385093333333334	1.9865	10.396
12 h after light	7.29622	4.96408	10.0868
4 h after dark	7.121650000000001	4.19204	9.9479
8 h after dark	8.322486666666666	6.78249	9.42859
12 h after dark	9.694709999999999	9.15406	10.0323