condition	mean	min	max
4 h after light	3.1876800000000003	2.60706	3.57262
8 h after light	3.5955700000000004	1.00559	5.95232
12 h after light	4.07848	2.77411	5.26694
4 h after dark	4.67151	4.26814	5.34264
8 h after dark	3.5329733333333335	2.76311	4.2796
12 h after dark	4.049963333333333	3.65326	4.37733