an class="r-out co"><span class="r-pr">#&gt;</span>  6:       NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  7:       NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  8:       NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  9:       NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 10:       NA</span>
<span class="r-in"><span><span class="co"># show some of the heat waves:</span></span></span>
<span class="r-in"><span><span class="va">out<