condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	3.25	2.1	4.4
12 h after light	2.5	2.1	2.9
4 h after dark	2.6500000000000004	2.1	3.2
8 h after dark	3.15	2.9	3.4
12 h after dark	2.6500000000000004	2.6	2.7