e">
<dt><code class="code">month</code></dt>
<dd><p>Month of the observation.
</p></dd>
<dt><code class="code">sunspots</code></dt>
<dd><p>Number of sunspots.
</p></dd>
</dl>

<h4 class="subsubheading" id="Source-61"><span>Source<a class="copiable-link" href="#Source-61"> &para;</a></span></h4>

<p>WDC-SILSO, Solar Influences Data Analysis Center (SIDC), Royal Observatory
of Belgium, Av. Circulaire, 3, B-1180 BRUSSELS.
Currently at <a class="url" href="http://www.sidc.be/silso/datafiles">http://www.sidc.be/