condition	mean	min	max
4 h after light	1.8615249999999999	1.69447	2.02858
8 h after light	1.9929549999999998	1.98941	1.9965
12 h after light	2.6143400000000003	2.44076	2.78792
4 h after dark	2.7927766666666667	2.55391	3.00682
8 h after dark	2.82656	2.72284	2.99321
12 h after dark	2.1471233333333335	2.1041	2.22825