condition	mean	min	max
4 h after light	4.3	4.3	4.3
8 h after light	12.75	1.9	23.6
12 h after light	24.45	3.4	45.5
4 h after dark	16.6	9.4	23.8
8 h after dark	9.4	3.5	15.3
12 h after dark	10.15	8.3	12.0