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  <legend base="0 1" anchor="0 1" rows="1" position="0 -30" border="0" frame="padding" visible="true">
    <icon border="0" height="20" width="15" />
  </legend>

  <title base="0 1" anchor="0 1" border="0" frame="padding">February Lower Tropospheric Global Temperature Anomalies</title>

  <plotarea marginbottom="20" marginleft="37" margintop="45" marginright="37" />

  <!-- horizontal axis -->

  <horizontalaxis id="x" type="datetime" min="1979" max="2021" length="1" base="-1,-1" anchor="-1" tickmin="-5" tickmax="5">
    <labels format="%Y" start="0" spacing="20Y 10Y 5Y 2Y 1Y" />
    <title/>
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  <!-- primary vertical axis -->

  <verticalaxis id="y" type="number" min="-1" max="3" linewidth="1" highlightstyle="labels">
    <grid />
    <labels format="%.1f" spacing="1 0.5 0.2 0.1" />
    <title angle="90" anchor="0 -1" position="-30 0">Anomaly (&#176;C)</title>
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  <!-- secondary vertical axis -->

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    <labels format="%.1f" spacing="2 1 0.5 0.2 0.1" />
    <title angle="270" anchor="1 0" position="34 -30">Anomaly (&#176;F)</title>
    <binding id="y-binding" min="-1.80" max="5.40" />
  </verticalaxis>

  <!-- begin UAH -->
  	
  <plot>
    <legend label="UAH" />

    <horizontalaxis ref="x">
      <variable ref="x" />
    </horizontalaxis>
  	
    <verticalaxis ref="y">
      <variable ref="UAH" />
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  <!-- begin RSS -->
  	
  <plot>
    <legend label="RSS" />

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      <variable ref="x" />
    </horizontalaxis>
  	
    <verticalaxis ref="y">
      <variable ref="RSS" />
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			<variable column="0" id="x" type="datetime"/>
      <variable column="1" id="UAH" missingvalue="-999" missingop="le" />
      <variable column="2" id="RSS" missingvalue="-999" missingop="le" />
    </variables>
    <values>
      1979,-0.43,-0.347
      1980,-0.10,-0.059
      1981,-0.15,0.009
      1982,-0.41,-0.265
      1983,-0.33,-0.161
      1984,-0.39,-0.311
      1985,-0.64,-0.432
      1986,-0.53,-0.381
      1987,-0.08,0.062
      1988,-0.22,-0.131
      1989,-0.43,-0.319
      1990,-0.36,-0.266
      1991,-0.08,0.019
      1992,-0.39,-0.238
      1993,-0.44,-0.310
      1994,-0.36,-0.198
      1995,-0.18,-0.025
      1996,-0.15,-0.053
      1997,-0.25,-0.114
      1998,0.49,0.549
      1999,0.00,0.162
      2000,-0.23,-0.034
      2001,-0.06,0.047
      2002,0.14,0.318
      2003,0.09,0.244
      2004,0.09,0.281
      2005,0.02,0.310
      2006,0.01,0.241
      2007,0.03,0.337
      2008,-0.29,-0.040
      2009,-0.04,0.195
      2010,0.30,0.504
      2011,-0.21,0.051
      2012,-0.39,-0.126
      2013,-0.03,0.246
      2014,-0.02,0.246
      2015,0.04,0.404
      2016,0.70,1.050
      2017,0.30,0.565
      2018,0.08,0.359
      2019,0.21,0.503
      2020,0.59,0.837
      2021,0.20,0.471
    </values>
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