condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	1.87602	0.0	3.75204
4 h after dark	1.108955	0.0	2.21791
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0