\documentclass{report}

\usepackage{pgfplots}
\pgfplotsset{compat=1.8}

\begin{document}

\begin{tikzpicture}
\begin{axis}[
    xmin=0.35, xmax=0.71,
    ymin=0, ymax=3.1,
]
\end{axis}
\end{tikzpicture}%
\end{document}
