condition	mean	min	max
4 h after light	5.3	5.3	5.3
8 h after light	21.9	18.5	25.3
12 h after light	15.45	4.1	26.8
4 h after dark	2.75	2.4	3.1
8 h after dark	25.95	3.9	48.0
12 h after dark	32.95	21.5	44.4