condition	mean	min	max
4 h after light	0.731894	0.729048	0.73474
8 h after light	1.822185	1.48821	2.15616
12 h after light	0.9365815	0.90879	0.964373
4 h after dark	2.163055	1.74752	2.57859
8 h after dark	2.497955	2.2095	2.78641
12 h after dark	2.417075	2.19457	2.63958