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Home — Biannual overview world weather: sunspot number up to Summer half year (April-September) 2020

Biannual overview world weather

sunspot number up to Summer half year (April-September) 2020
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sunspot number [1] all data (Source: SIDC).
sunspot number

This is an experimental page, the timely availability cannot be guaranteed. The data are usually updated between the 10th and 15th of the month.