condition	mean	min	max
4 h after light	48.2	48.2	48.2
8 h after light	49.3	46.4	52.2
12 h after light	10.55	5.4	15.7
4 h after dark	44.1	22.3	65.9
8 h after dark	60.35	45.3	75.4
12 h after dark	45.55	32.8	58.3