condition	mean	min	max
4 h after light	3.3	3.3	3.3
8 h after light	7.75	5.4	10.1
12 h after light	4.5	2.9	6.1
4 h after dark	3.3	1.6	5.0
8 h after dark	4.6	3.4	5.8
12 h after dark	4.3	3.6	5.0