condition	mean	min	max
4 h after light	6.4	6.4	6.4
8 h after light	14.25	4.1	24.4
12 h after light	3.3	2.6	4.0
4 h after dark	3.75	2.7	4.8
8 h after dark	5.1	4.6	5.6
12 h after dark	2.85	1.8	3.9