Twain used such words because the author finds the science of weather a very interesting topic to study. That is option 3.
The weather is defined as the changes detected in the atmosphere of a particular place in time.
When weather is being referred to as being intoxicating, inconceivable and bewildering it means that the weather is incredible, mysterious and powerful respectively.
Therefore, Twain used such words because the author finds the science of weather a very interesting topic to study.
Learn more about weather here:
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