condition	mean	min	max
4 h after light	6.3	6.3	6.3
8 h after light	27.1	9.6	44.6
12 h after light	12.55	1.3	23.8
4 h after dark	11.75	1.0	22.5
8 h after dark	3.15	0.8	5.5
12 h after dark	4.05	1.3	6.8