condition	mean	min	max
4 h after light	2.5	2.5	2.5
8 h after light	9.15	1.3	17.0
12 h after light	2.25	1.0	3.5
4 h after dark	2.1500000000000004	2.1	2.2
8 h after dark	1.15	1.1	1.2
12 h after dark	1.15	0.8	1.5