\begin{table}%t2
\caption{\label{table:2}Power spectrum slopes of the cloud brightness evolution.}
\par
\small%\centerline
 {
\begin{tabular}{ccccccc} 
\hline\hline 
\multicolumn{2}{c}{\textbf{Epoch}} & \textbf{$\Delta \lambda$} & \textbf{Anticyclonic} & \textbf{Cyclonic} & \textbf{Jet} \\ 
 & & &  \textbf{Region} &  \textbf{Region} &  \\ 
\hline 
 Pre NTBD &  25 March 2007 &       360$^\circ$ &   $-$1.2 $\pm$ 0.1 &   $-$1.2 $\pm$ 0.1 &   $-$0.8 $\pm$ 0.1 \\
  &  25 March 2007 (1) &       125$^\circ$ &   $-$1.0 $\pm$ 0.1 &  $-$1.15 $\pm$ 0.1 &   $-$0.7 $\pm$ 0.1 \\
 &  25 March 2007 (2) &       125$^\circ$ &   $-$1.1 $\pm$ 0.1 &   $-$1.1 $\pm$ 0.1 &   $-$0.8 $\pm$ 0.1 \\
\hline
 NTBD &  1 May 2007 &        50$^\circ$ &   $-$1.0 $\pm$ 0.2 &   $-$0.9 $\pm$ 0.1 &   $-$0.8 $\pm$ 0.1 \\
 &  11 May 2007 &       110$^\circ$ &   $-$1.5 $\pm$ 0.2 &   $-$0.9 $\pm$ 0.2 &   $-$1.5 $\pm$ 0.2 \\
\hline
Post NTBD&  5 June 2007 (1)  &       125$^\circ$ &   $-$1.7 $\pm$ 0.2 &   $-$0.8 $\pm$ 0.1 &   $-$1.6 $\pm$ 0.1 \\
 &  5 June 2007 (2) &       125$^\circ$ &   $-$1.5 $\pm$ 0.1 &   $-$0.8 $\pm$ 0.2 &   $-$1.2 $\pm$ 0.2 \\
\hline
 NTB + 1 year & 8 July 2008 &       100$^\circ$ &   $-$1.8 $\pm$ 0.1 &   $-$1.5 $\pm$ 0.1 &   $-$1.8 $\pm$ 0.1 \\
\hline
\end{tabular}}
\medskip
Note: $\Delta \lambda$ represents the longitude coverage; (1) is the longitude sector from 25$^\circ$ to 150$^\circ$ and (2) from 225$^\circ$ to~350$^\circ$.
\end{table}