condition	mean	min	max
0 h after light	9.55145	7.732	11.3709
4 h after light	20.0538	18.7217	21.3859
8 h after light	16.479755	8.46441	24.4951
4 h after dark	15.402650000000001	10.6835	20.1218
8 h after dark	10.12444	8.47838	11.7705
12 h after dark	9.750835	8.33947	11.1622