The annual rainfall graph is important to show the frequency of rainfall over a particular location and time period.
What is an Annual Rainfall?
This refers to the sum of daily rainfall in a year which is used to calculate the frequency of rainfall in a geographic location.
With this in mind, we can see that the annual rainfall graph is useful when displaying the data in a graphical form as it shows the frequency of the rain, the time intervals between each rainfall and other important data.
This can be represented on a histogram ideally.
Read more about annual rainfall here:
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