condition	mean	min	max
4 h after light	9.3	9.3	9.3
8 h after light	13.85	3.7	24.0
12 h after light	2.9000000000000004	2.1	3.7
4 h after dark	10.1	1.3	18.9
8 h after dark	3.55	2.5	4.6
12 h after dark	3.15	2.3	4.0