condition	mean	min	max
4 h after light	9.1	9.1	9.1
8 h after light	2.55	1.7	3.4
12 h after light	3.95	3.4	4.5
4 h after dark	20.4	7.4	33.4
8 h after dark	5.1499999999999995	0.7	9.6
12 h after dark	9.65	3.5	15.8