condition	mean	min	max
4 h after light	9.1449	6.1124730000000005	11.694510000000001
8 h after light	3.8877086666666667	2.467229	6.586548
12 h after light	3.301001666666667	1.9833900000000002	3.988885
16 h after light	4.403132333333334	3.4607370000000004	5.45531
4 h after dark	8.191763666666667	4.467896	11.96635
8 h after dark	8.290683666666666	6.697647999999999	9.217927