condition	mean	min	max
4 h after light	5.430396666666667	5.24619	5.76644
8 h after light	5.14876	4.964919999999999	5.244280000000001
12 h after light	4.984946666666667	4.74145	5.2525
4 h after dark	5.14663	4.97892	5.36969
8 h after dark	5.205593333333333	5.0525199999999995	5.50706
12 h after dark	5.12519	4.99052	5.35118