condition	mean	min	max
4 h after light	1.4	1.4	1.4
8 h after light	34.55	12.3	56.8
12 h after light	6.75	5.4	8.1
4 h after dark	4.1	4.0	4.2
8 h after dark	9.95	7.5	12.4
12 h after dark	9.25	6.4	12.1