condition	mean	min	max
4 h after light	9.0	9.0	9.0
8 h after light	13.950000000000001	0.8	27.1
12 h after light	2.85	1.8	3.9
4 h after dark	1.75	1.0	2.5
8 h after dark	4.2	2.1	6.3
12 h after dark	2.95	1.7	4.2