condition	mean	min	max
4 h after light	10.6	10.6	10.6
8 h after light	2.25	2.2	2.3
12 h after light	3.9	1.3	6.5
4 h after dark	9.35	2.2	16.5
8 h after dark	1.6	1.1	2.1
12 h after dark	4.1	2.0	6.2