condition	mean	min	max
4 h after light	0.124471	0.0	0.248942
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	0.85841	0.64737	1.06945
12 h after dark	0.1788665	0.0	0.357733