condition	mean	min	max
4 h after light	23.4598	20.2706	26.649
8 h after light	10.627210000000002	9.49552	11.7589
12 h after light	5.577145	5.55145	5.60284
4 h after dark	6.493045	6.367	6.61909
8 h after dark	6.546385	6.33982	6.75295
12 h after dark	12.175799999999999	11.9398	12.4118