condition	mean	min	max
4 h after light	2.5	2.5	2.5
8 h after light	1.4	1.4	1.4
12 h after light	3.95	1.4	6.5
4 h after dark	18.8	3.2	34.4
8 h after dark	3.2	2.9	3.5
12 h after dark	9.25	2.2	16.3