condition	mean	min	max
4 h after light	3.9177899999999997	3.8590199999999997	3.9664599999999997
8 h after light	3.981726666666667	3.90774	4.05703
12 h after light	4.0196966666666665	3.9621199999999996	4.07939
4 h after dark	4.00583	3.96927	4.07308
8 h after dark	3.9972066666666666	3.9411400000000003	4.030819999999999
12 h after dark	3.91526	3.8576099999999998	3.96846