condition	mean	min	max
4 h after light	9.05488	7.35716	10.7526
8 h after light	7.6211400000000005	7.03851	8.20377
12 h after light	3.970485	3.39191	4.54906
4 h after dark	6.24319	5.92183	6.71411
8 h after dark	4.713266666666667	3.61438	6.49755
12 h after dark	7.604913333333333	6.37468	9.12172