rainfall

  1. Nod

    Cycles of Drought and Good Seasons in South Africa: With Cyclical Diagrams.

    Source: https://archive.org/details/cyclesdroughtan00hutcgoog I found this book from 1889 on the subject of sun spots and rainfall patterns. Found it interesting, especially how weather were in "those days". 1652 for example, is described as: The author do state that sunspots is not...
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