\begin{table}%t1 \caption{\label{tab:obs}Observation runs.} \small%\centering \par \begin{tabular}{lrrrrr} \hline\hline\noalign{\smallskip} Date & Hours & STEC (lo/hi) & No.\ raw triggers & No.\ triggers after cuts ($S>23$)& No.\ triggers Gaussian noise ($S>23$) \\ \hline\noalign{\smallskip} 2007 Jun. 9\tablefootmark{a} & 4.7\tablefootmark{b} & 11.8/16.6 & 200\ 427 & 49\ 679 & 8943 \\ 2007 Sep. 21 & 2 & 15.6/19.5 & 668\ 917 & 26~812 & 13~128 \\ 2008 Jan. 13 & 1.3\tablefootmark{b} & 18.0/24.3 & 119~032 & 6951 & 6001 \\ 2008 Jun. 7\tablefootmark{a} & 4.25 & 11.7/17.5 & 1~961~907 & 170~672 & 21~752 \\ 2008 Jun. 8\tablefootmark{a} & 5 & 9.8/11.3 & 1~313~378 & 80~140 & 12~815 \\ 2008 Aug. 24 & 5 & 3.5/7.5 & 792~979 & 36~314 & 4029 \\ 2008 Aug. 29 & 3 & 6.5/7.0 & 563~692 & 45~214 & 3331 \\ 2008 Aug. 29 & 2 & 8.0/8.3 & 602~049 & 29~554 & 4317 \\ 2008 Aug. 29\tablefootmark{a} & 4.8 & 6.5/9.7 & 1~719~443 & 96~998 & 7425 \\ 2008 Sep. 2 & 5 & 12.8/15.3 & 880~508 & 51~329 & 18~937 \\ 2008 Sep. 16 & 3.75 & 5.5/11.0 & 233~192 & 23~733 & 6616 \\ 2008 Sep. 16 & 5 & 5.9/7.2 & 163~819 & 20~138 & 4841 \\ 2008 Sep. 21 & 4.5 & 3.3/4.8 & 244~276 & 27~388 & 3451 \\ 2008 Sep. 21\tablefootmark{a} & 5 & 4.0/12.8 & 1~282~457 & 76~573 & 9728 \\ 2008 Sep. 28 & 3.7 & 10.5/12 & 65~725 & 67~910 & 10~345 \\ 2008 Sep. 28 & 3.8 & 11.6/13.7 & 622~598 & 47~580 & 11~958 \\ 2008 Oct. 14 & 4.5 & 5.9/9.9 & 566~611 & 58~127 & 6531 \\ 2008 Oct. 14 & 4.5 & 5.9/7.4 & 217~113 & 30~346 & 4165 \\ 2008 Nov. 11 & 3.7 & 3.5/7.4 & 941~369 & 27~160 & 2624 \\ \noalign{\smallskip} Total\tablefootmark{c} & 51.1 & 3.3/24.3 & 6~681~880& 430~646 & 100~274 \\ \hline \end{tabular} \tablefoot{ \tablefoottext{a}{Excluded from analysis due to exceptional amount of raw triggers.}\\ \tablefoottext{b}{Only single beam data available.}\\ \tablefoottext{c}{Not counting excluded runs.}} \end{table}