condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	2.05	2.0	2.1
12 h after light	1.65	0.9	2.4
4 h after dark	2.65	1.9	3.4
8 h after dark	4.7	3.4	6.0
12 h after dark	4.25	1.1	7.4