condition	mean	min	max
4 h after light	2.6	2.6	2.6
8 h after light	6.5	5.4	7.6
12 h after light	4.3	3.4	5.2
4 h after dark	20.2	2.0	38.4
8 h after dark	3.55	2.1	5.0
12 h after dark	14.25	3.1	25.4