condition	mean	min	max
4 h after light	12.9	12.9	12.9
8 h after light	4.5	3.8	5.2
12 h after light	1.85	1.5	2.2
4 h after dark	6.6	5.2	8.0
8 h after dark	7.85	5.3	10.4
12 h after dark	27.8	2.0	53.6