condition	mean	min	max
4 h after light	1.1942849999999998	1.06469	1.32388
8 h after light	0.7204415	0.594886	0.845997
12 h after light	0.5016515	0.490649	0.512654
4 h after dark	0.6975706666666667	0.667842	0.723638
8 h after dark	0.5610273333333333	0.462284	0.643004
12 h after dark	1.1887266666666667	1.02932	1.31399