condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	9.6	8.5	10.7
12 h after light	3.95	2.4	5.5
4 h after dark	2.55	2.2	2.9
8 h after dark	4.7	3.9	5.5
12 h after dark	4.1	2.7	5.5