pywws-page/_graph_templates/includes/raw_temp_dew_line.xml

<?xml version="1.0" encoding="utf-8"?>
  <plot>
    <yrange>-20, 40</yrange>
    <grid>ytics</grid>
    <source>raw</source>
    <subplot>
      <colour>1</colour>
      <title>Temperatur (℃)</title>
      <ycalc>data['temp_out']</ycalc>
    </subplot>
    <subplot>
      <colour>3</colour>
      <ycalc>dew_point(data['temp_out'], data['hum_out'])</ycalc>
      <title>Taupunkt (℃)</title>
    </subplot>
  </plot>