op">-</span> <span class="fu"><a href="https://rdrr.io/r/base/Extremes.html" class="external-link">min</a></span><span class="op">(</span><span class="va">Tmax</span><span class="op">$</span><span class="va">julian</span><span class="op">)</span> <span class="op">+</span> <span class="fl">1</span></span></span>
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