condition	mean	min	max
0 h after light	0.133059	0.0	0.266118
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
4 h after dark	0.1311975	0.0	0.262395
8 h after dark	0.263198	0.262094	0.264302
12 h after dark	0.265761	0.0	0.531522