What will happen if rainfall is less this year than the last year?

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  • 1 month ago

    Nothing of note.

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  • TQ
    Lv 7
    1 month ago

    All else equal ... nothing will happen if rainfall is less this year than the last year.

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  • 1 month ago

    It depends on the magnitude of the difference and the specific circumstances of the location where it happens.  It is pretty well a given that any year, on average, has a 50% change to see less rainfall than the previous year.  The flip side is that the same odds apply to the chance of a given year receiving MORE rainfall than the previous year.  It would be a very sensitive system which could not accommodate annual variance that is unavoidable. It is not like the place would be"surprised" by this happening, that the event would be something never before experienced in that place.

    River flows, lake levels, and groundwater levels will decrease during dryer periods, and it is likely that vegetation will not be a lush in those dryer periods.  We can easily see the effects of variation in rainfall in tree rings, for example.

    • TQ
      Lv 7
      1 month agoReport

      "It is pretty well a given that any year, on average, has a 50% change to see less rainfall than the previous year."  It's pretty well a given this answer's author knows even less about statistics than meteorology.

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  • 1 month ago

    nothing. That occurs a lot. About half the years, the rainfall is less than the previous year. The other half, it is more than the previous year. 

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  • 1 month ago

    No no no no no no no no no no

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