condition	mean	min	max
4 h after light	145.702	131.643	159.761
8 h after light	49.83185	48.9486	50.7151
12 h after light	20.6998	20.0946	21.305
4 h after dark	15.8844	15.1621	16.6067
8 h after dark	22.6409	22.6347	22.6471
12 h after dark	28.8104	28.4754	29.1454