\begin{table}%T3
\caption{\label{t3}Derived parameters for Forbush decrease for 2003 November 20 event.}
%\centerline
 {
\begin{tabular}{llllllllll}
\hline\hline
Quantity & NW & N & NE & W & V & E & SW & S & SE\\
\hline
FD magnitude & 0.90 & 0.91 & 0.89 & 1.26 & 1.24 & 1.04 & 1.24 & 1.24 & 0.88\\
FD onset & 13:12$^*$ & 11:46$^*$ & 02:10$^*$ & 01:26 & 05:02 & 21:07 & 06:29 & 11:02 & 21:07 \\
FD end$^1$ & 04:57 & 04:26 & 02:32 & 06:00 & 04:54 & 05:00 & 04:16 & 04:12 & 02:54 \\
$\sigma^{2}$ (Kolmogorov) & 0.06 & 0.06 & 0.06 & 0.06 & 0.06 & 0.06 & 0.06 & 0.06 & 0.06\\
\hline
\end{tabular}}
\medskip
$^*$ These times refer to 2003 November 21.\\
$^1$ The times for FD end refer to 2003 November 24.
\end{table}