condition	mean	min	max
4 h after light	0.050587	0.0	0.101174
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	0.0434642	0.0	0.0869284
12 h after dark	0.0	0.0	0.0