condition	mean	min	max
4 h after light	6.175247	5.722478	7.060452000000001
8 h after light	5.813869666666667	3.581375	8.758499
12 h after light	11.657115666666668	6.773047	15.267870000000002
16 h after light	8.660596333333332	5.6658919999999995	10.86571
4 h after dark	20.895860000000003	18.62122	22.1959
8 h after dark	5.222935333333333	1.490383	8.112922