condition	mean	min	max
4 h after light	2.0	2.0	2.0
8 h after light	5.9	3.2	8.6
12 h after light	20.1	15.8	24.4
4 h after dark	28.549999999999997	11.2	45.9
8 h after dark	23.75	20.0	27.5
12 h after dark	8.950000000000001	2.6	15.3