. Only added
  if <code>categories = TRUE</code> and <code>climatology = TRUE</code>.</p></dd>


</dl><p>The <code>event</code> results are summarised using a range of event metrics:</p>
<dl><dt>event_no</dt>
<dd><p>A sequential number indicating the ID and order of
  the events.</p></dd>

  <dt>index_start</dt>
<dd><p>Start index of event.</p></dd>

  <dt>index_end</dt>
<dd><p>End index of event.</p></dd>

  <dt>duration</dt>
<dd><p>Duration of event [days].</p></dd>

  <dt>date_start</dt>
<dd><p>Start dat