condition	mean	min	max
4 h after light	0.442138105	0.000227315	1.20495
8 h after light	0.7920268666666667	0.0660046	1.42205
12 h after light	0.5399256666666666	0.381001	0.802195
4 h after dark	0.5832106666666667	0.513794	0.719682
8 h after dark	0.248804	0.137044	0.45721
12 h after dark	0.475481	0.240363	0.749831