condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0145487	0.0	0.0290974
8 h after dark	0.01207915	0.0	0.0241583
12 h after dark	0.0	0.0	0.0