condition	mean	min	max
4 h after light	19.5	19.5	19.5
8 h after light	9.95	4.7	15.2
12 h after light	17.1	9.2	25.0
4 h after dark	12.7	12.4	13.0
8 h after dark	3.4	0.7	6.1
12 h after dark	3.8499999999999996	1.1	6.6