condition	mean	min	max
4 h after light	0.6	0.6	0.6
8 h after light	1.5	1.0	2.0
12 h after light	1.9500000000000002	1.8	2.1
4 h after dark	1.8	1.4	2.2
8 h after dark	1.65	1.2	2.1
12 h after dark	3.95	3.9	4.0