condition	mean	min	max
4 h after light	0.9488865	0.881953	1.01582
8 h after light	1.08609	1.06992	1.10226
12 h after light	0.9443645	0.833309	1.05542
4 h after dark	1.393415	1.35917	1.42766
8 h after dark	0.947526	0.869532	1.02552
12 h after dark	0.7590205	0.715182	0.802859