condition	mean	min	max
4 h after light	20.1	20.1	20.1
8 h after light	25.75	6.0	45.5
12 h after light	53.75	42.4	65.1
4 h after dark	71.95	54.5	89.4
8 h after dark	38.0	27.7	48.3
12 h after dark	42.3	29.9	54.7