\begin{table}%t1 \caption{\label{clumps}The L1157-B1 clumps: CH$_3$CN rotational temperatures, and CH$_3$CN and CH$_3$OH~column densities.} \small%\centerline { \begin{tabular}{lcccc} \hline\hline \noalign{\smallskip} \multicolumn{1}{c}{Clump} & \multicolumn{1}{c}{$T_{\rm rot}$} & \multicolumn{1}{c}{$N_{\rm CH_3CN}$} & \multicolumn{1}{c}{$N_{\rm CH_3OH}$$^{a}$} & \multicolumn{1}{c}{[CH$_3$CN]/[CH$_3$OH]} \\ \multicolumn{1}{c}{} & \multicolumn{1}{c}{(K)} & \multicolumn{1}{c}{(cm$^{-2}$)} & \multicolumn{1}{c}{(cm$^{-2}$)} & \multicolumn{1}{c}{($10^{-3}$)} \\ \hline\noalign{\smallskip} B0e & 57 & 8 $\times$ 10$^{12}$ & 6 $\times$ 10$^{15}$ & 1.3 \\ B0f & --$^{b}$ & --$^{b}$ & --$^{a}$ & -- \\ B1a & 67 & 1 $\times$ 10$^{13}$ & 4 $\times$ 10$^{16}$ & 0.3 \\ B1b & 73 & 1 $\times$ 10$^{13}$ & 5 $\times$ 10$^{16}$ & 0.2 \\ B1c & 132 & 2 $\times$ 10$^{13}$ & 4 $\times$ 10$^{16}$ & 0.5 \\ B1e & 92 & 4 $\times$ 10$^{13}$ & --$^{a}$ & -- \\ B1f & 55 & 2 $\times$ 10$^{13}$ & --$^{a}$ & -- \\ \hline \end{tabular}} \medskip $^{a}$ From Paper I: B0f, B1e, and B1f not identified; $^{b}$~only the $K$~=~0 and 1~components are clearly detected. \end{table}