condition	mean	min	max
4 h after light	2.6	2.6	2.6
8 h after light	2.85	2.6	3.1
12 h after light	5.85	3.5	8.2
4 h after dark	4.6	3.4	5.8
8 h after dark	22.15	6.5	37.8
12 h after dark	4.1	2.2	6.0