condition	mean	min	max
4 h after light	0.054801	0.0	0.109602
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.230665	0.146165	0.290067
12 h after dark	0.11047036666666667	0.0	0.293064