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Description This chart depicts average monthly Sunspot Number variation since 1750. This figure was produced by Leland McInnes using gnuplot. All data is from publicly available sources.
Date 2006-02-07 (original upload date)
Source Originally from en.wikipedia; description page is/was here.
Author Leland McInnes at en.wikipedia
( Reusing this file)

Licensed under the GFDL by the author; Released under the GNU Free Documentation License.

Data Sources

(red) Average monthly sunspot data:


Leland McInnes at the English language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

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Attribution: Leland McInnes at the English language Wikipedia
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This licensing tag was added to this file as part of the GFDL licensing update.

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