n class="va">results</span> <span class="op">&lt;-</span> <span class="fu">plot_monthly_stats</span><span class="op">(</span>data <span class="op">=</span> <span class="va">flow_data</span>,</span></span>
<span class="r-in"><span>                              start_year <span class="op">=</span> <span class="fl">1980</span>,</span></span>
<span class="r-in"><span>                              percentiles <span class="op">=</span> <span class="fl">10</span><span class="op">)</span></span></span>
<span class=