condition	mean	min	max
4 h after light	8.74861	7.95587	9.54135
8 h after light	20.1152	19.9847	20.2457
12 h after light	16.5728	15.8492	17.2964
4 h after dark	11.012599999999999	10.1626	11.5903
8 h after dark	10.601146666666667	9.22604	12.0802
12 h after dark	9.267936666666667	8.95155	9.83684