\begin{table}%t1
%\centering
\par
\caption{The ORM average balloon 7-layer profile. \label{tab:averballprofile}}
\begin{tabular}{ccccc}
\hline \hline\\[-3mm]
Height$^{{\rm a}}$&
$C_{n,i}^{2}$ &
$C_{n,i}^{2}$ &
$r_{0}(0.5~\mu \textrm{m})$&
$r_{0}(2.2~\mu \textrm{m})$\\
(m)&
($m^{1/3}$ )&
(\%)&
(m) &
(m)\\
\hline
4.5&
$8.08\times 10^{-14}$&
$23.0$ &
$0.363$ &
$2.15$\\
463&
$1.04\times 10^{-13}$&
$29.6$ &
$0.312$ &
$1.85$\\
1483&
$8.64\times 10^{-14}$&
$24.6$ &
$0.348$ &
$2.06$\\
4840&
$3.86\times 10^{-14}$ &
$11.0$ &
$0.565$ &
$3.34$\\
11122&
$2.25\times 10^{-14}$&
$6.4$ &
$0.781$ &
$4.62$\\
14906&
$1.76\times 10^{-14}$&
$5.0$ &
$0.905$ &
$5.36$\\
18635&
$1.40\times 10^{-15}$&
$0.4$&
$4.13$&
$24.4$\\
\hline
\end{tabular}
$^{{\rm a}}$ Height refers to altitude above the telescope.  
\end{table}