> field and the NINO3.4 index as an example.</p>
<div class="nbinput docutils container">
<div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[11]:
</pre></div>
</div>
<div class="input_area highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">res</span><span class="o">.</span><span class="n">load</span><span class="p">([</span><span class="s1">&#39;tas&#39;</span><span class="p">,</span> <span class="s1">&#39;nino3.4&#39;</span><span c