condition	mean	min	max
4 h after light	9.5	9.5	9.5
8 h after light	15.850000000000001	8.9	22.8
12 h after light	3.3499999999999996	2.1	4.6
4 h after dark	12.25	3.6	20.9
8 h after dark	4.9	4.7	5.1
12 h after dark	13.8	9.3	18.3