condition	mean	min	max
4 h after light	7.132845	4.77992	9.48577
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	2.096905	0.0	4.19381
8 h after dark	3.08929	2.07169	4.10689
12 h after dark	0.0	0.0	0.0