condition	mean	min	max
4 h after light	0.0427078	0.0	0.0854156
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	0.0185102	0.0	0.0370204
12 h after dark	0.0306859	0.0	0.0613718