\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}