condition	mean	min	max
4 h after light	14.5	14.5	14.5
8 h after light	4.7	3.9	5.5
12 h after light	12.75	8.7	16.8
4 h after dark	8.05	5.6	10.5
8 h after dark	49.25	46.4	52.1
12 h after dark	25.1	5.5	44.7