condition	mean	min	max
4 h after light	5.21495	4.99853	5.43137
8 h after light	6.4286449999999995	6.30308	6.55421
12 h after light	13.48215	12.4486	14.5157
4 h after dark	15.2293	14.1522	16.3064
8 h after dark	11.71645	11.2929	12.14
12 h after dark	9.349995	9.21977	9.48022