l-link">str</a></span><span class="op">(</span><span class="va">sfbayStns</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 'data.frame':	16 obs. of  6 variables:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ site       : Factor w/ 16 levels "s21","s22","s23",..: 1 2 3 4 5 6 7 8 9 10 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ description: chr  "Bay Bridge" "Potrero Point" "Hunter's Point" "Candlestick Point" ...<