condition	mean	min	max
4 h after light	20.7	20.7	20.7
8 h after light	4.9	3.6	6.2
12 h after light	1.75	1.3	2.2
4 h after dark	4.3999999999999995	0.7	8.1
8 h after dark	6.55	4.1	9.0
12 h after dark	3.9	3.8	4.0