condition	mean	min	max
4 h after light	0.951028	0.836565	1.08133
8 h after light	0.7880856666666667	0.281472	1.27345
12 h after light	0.9250499999999999	0.488589	1.50046
4 h after dark	1.17228	0.79183	1.47361
8 h after dark	0.713839	0.607708	0.806941
12 h after dark	1.148948	0.842374	1.55508