condition	mean	min	max
4 h after light	52.4	52.4	52.4
8 h after light	30.3	10.5	50.1
12 h after light	20.35	4.0	36.7
4 h after dark	66.55	49.0	84.1
8 h after dark	67.3	46.1	88.5
12 h after dark	24.45	22.7	26.2