condition	mean	min	max
4 h after light	4.018435	2.02096	6.01591
8 h after light	0.730975	0.0	1.46195
12 h after light	0.0	0.0	0.0
4 h after dark	2.0476199999999998	1.1821	2.91314
8 h after dark	2.18464	1.1576	3.21168
12 h after dark	0.57489	0.0	1.14978