condition	mean	min	max
4 h after light	3.3	3.3	3.3
8 h after light	14.75	3.1	26.4
12 h after light	5.6	4.8	6.4
4 h after dark	4.25	3.7	4.8
8 h after dark	1.4	1.4	1.4
12 h after dark	3.25	1.7	4.8