\begin{table}%t1
\caption{\label{tab:clumps}Number $N$ and average size $\langle d\rangle$ of the clumps in the CNM; fractal dimension~$D$ of gas with number density greater than $20$~cm$^{-3}$.} 
%\centering
 \small              
\begin{tabular}{l|rrr}   
\hline  \hline             
run & $N$ & $\langle d\rangle$ & $D$ \\  
\hline                           
   static & $1025$ & $44$ & $1.45$ \\       
   OD &  $505$  & $102$ & $1.34$ \\
   OD-3 &  $481$  & $128$ & $1.33$ \\
   OD-4 &  $420$  & $157$ & $1.39$ \\
   CT &  $1239$  & $32$ & $1.50$ \\
   RCEN &  $1015$  & $85$ & $1.42$ \\
   \hline                                    
\end{tabular}
\end{table}