Question

what is meant by Mean annual rainfall?​

Answer 1

Explanation:

normal or average rainfall is the amount of precipitation that we expect per year (in a given area). it is obtained and set by calculating the average (mean) of precipitation recorded in an area during many years ( at least 30 years). Annual rainfall or precipitation is the sum of daily rainfall in a year.

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Answer 2

Answer:

normal or average rainfall is the amount of precipitation that we expect per year (in a given area). it is obtained and set by calculating the average (mean) of precipitation recorded in an area during many years ( at least 30 years). Annual rainfall or precipitation is the sum of daily rainfall in a year.