condition	mean	min	max
4 h after light	5.305396666666667	5.18841	5.50437
8 h after light	5.31982	5.1512	5.4426
12 h after light	5.27942	5.19664	5.40969
4 h after dark	5.2259199999999995	5.19837	5.24867
8 h after dark	5.155023333333333	4.8761	5.2958
12 h after dark	5.335570000000001	5.29352	5.397480000000001