condition	mean	min	max
4 h after light	18.396954	15.923318	20.87059
8 h after light	14.109022	13.162248	15.055796
12 h after light	11.857217	11.034554	12.67988
4 h after dark	13.757025500000001	12.114836	15.399215
8 h after dark	16.607673	12.917577	20.297769
12 h after dark	22.64724	22.64724	22.64724