gt;</span> 'data.frame':	23207 obs. of  12 variables:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ date : chr  " 1/23/1985" " 1/23/1985" " 1/23/1985" " 1/23/1985" ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ time : int  1120 1120 1120 1120 1222 1222 1222 1324 1324 1324 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ stn  : num  21 21 21 21 24 24 24 27 27 27 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ depth: num  1 2 6 