condition	mean	min	max
4 h after light	2.603615	2.25211	2.95512
8 h after light	1.781112	0.696624	2.8656
12 h after light	2.5860250000000002	2.03896	3.13309
4 h after dark	3.82843	3.0793	4.57756
8 h after dark	2.167015	1.85682	2.47721
12 h after dark	2.583265	2.42355	2.74298