condition	mean	min	max
4 h after light	10.2	10.2	10.2
8 h after light	21.7	2.6	40.8
12 h after light	1.4	1.2	1.6
4 h after dark	4.25	3.4	5.1
8 h after dark	2.9	1.7	4.1
12 h after dark	4.75	0.6	8.9