\begin{table}%t1  
%\centering
\par
\caption{Moments and stretching exponents of the peak velocity
  PDF for the full velocity 
  field and the filtered velocity field}
\label{tab:PDFmom}
\begin{tabular}{ccccc}
\hline
\hline
Field&std-dev / \kms &skewness&kurtosis&$\beta$\\
\hline
full&10.3&$-$0.20&4.4&1.10\\
filtered&7.8&$-$0.042&6.4&0.86\\
\hline
\end{tabular}
\end{table}