condition	mean	min	max
3 h after light	0.0	0.0	0.0
6 h after light	0.0	0.0	0.0
9 h after light	0.14643366666666666	0.0	0.439301
12 h after light	0.09304475	0.0	0.372179
3 h after dark	0.0	0.0	0.0
6 h after dark	0.0	0.0	0.0
9 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0