\begin{table}%t2
\caption {\label{t-QV} Mean difference in temperature-fluctuation percentiles
  $\Delta(\delta t') := \left< \; (\delta T/T)_p(\delta t = 0.5) - (\delta T/T)_p(\delta
  t') \; \right>$ for 6~DA/year combinations in each of the $Q$ and $V$~bands in mK, where
  $p=99.999\%$, and standard error in the mean and significance level\tablefootmark{a}.}
\begin{tabular}{ccc  cccc } 
\hline\hline
{\rm Band} & &
$\Delta(\delta t'=0)$ & $\Delta$(0.167\tablefootmark{b}) & $\Delta$(0.25\tablefootmark{c})
&$\sigma_{\Delta}$ &  $\Delta /\sigma_{\Delta}$ \\
\hline
$Q$ && 1.44 & -    & - & 0.05 & 29 \\
$Q$ &&  -   &  - & 0.44 & 0.08 & 5.5 \\
$V$ && 0.70 & -    & - & 0.06 & 11.7 \\
$V$ && -    & 0.28 & - & 0.06 & 4.8 \\ 
\hline
\end{tabular}
\tablefoot {\tablefoottext{a} {The time offsets $\delta t$ and $\delta t'$ are in units of one observing interval, 
i.e. 102.5~ms or 76.8~ms for $Q$ or $V$, respectively.} 
\tablefoottext{b}{A shift of $-25.6$~ms relative to the WMAP collaboration choice in the $V$ band.}
\tablefoottext{c}{A shift of $-25.6$~ms relative to the WMAP collaboration choice in the $Q$ band.}}
\end{table}