FORECAST SOL: Moderate yellow MAG: Normal green ION: Normal green Looking for something? Site search go to search page
HomeEducationalThe Sun and Solar ActivitySolar CycleGraphs of Historical Solar Cycles Thursday, Jan 29 2015 16:20 UT
The Sun and Solar Activity

Graphs of Historical Solar Cycles

Click on the following links to see a graph of the Sunspot Number for Cycles 1 up to 23.

Material prepared by Richard Thompson

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