code>vector</code>. Return all values within an absolute date range (start and end dates).
Only if 'date_range' is used.</p></dd>
<dt>site_status</dt>
<dd><p>A <code>character</code> indicating site status. Example, 'all' = both active and inactive,
'active' = only active sites, 'inactive' = only inactive sites.</p></dd>
<dt>floor_iv</dt>
<dd><p>A <code>character</code> on how to floor the instantaneous values, '1 hour' (default).</p></dd>
<dt>...</dt>
<dd><p>other options used for options.</p></dd>
</dl></