condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	10.15	6.2	14.1
12 h after light	9.75	1.2	18.3
4 h after dark	11.5	8.7	14.3
8 h after dark	22.4	17.5	27.3
12 h after dark	10.45	0.7	20.2