condition	mean	min	max
4 h after light	1.0	1.0	1.0
8 h after light	4.1	3.9	4.3
12 h after light	0.95	0.6	1.3
4 h after dark	3.8	2.9	4.7
8 h after dark	2.25	2.1	2.4
12 h after dark	4.5	2.0	7.0