condition	mean	min	max
4 h after light	1.0	1.0	1.0
8 h after light	9.2	5.8	12.6
12 h after light	5.45	1.4	9.5
4 h after dark	2.5	1.8	3.2
8 h after dark	8.55	3.2	13.9
12 h after dark	0.95	0.6	1.3