The bar chart below shows the average rainfall for Australia by month for last year. The line shows the average rainfall for Australia by month for the last 40 years.

The provided bar chart illustrates the average

rainfall

in Australia by month

last

year,

while

the given line indicates the average

rainfall

for Australia by month for the

last

40 years.

Overall

, it can be seen that over the shown period of 40 years, the amount of

rainfall

was altering gradually, with some fluctuations

occuring

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occurring

in April and September. If to look at the bars,

it is clear that

in January the

amount

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number

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of raindrops was the highest, over 60mm,

while

at the end

of the summer, and by the start of autumn, in August, September and October the proportion of rain was less than 20mm. Turning to the details, the portion which was high enough at the beginning of winter decreased rapidly in the month

April

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of April

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, going downwards to 20mm exactly.

Consequently

, when it started to increase in March by 40mm, the index dropped to a smaller fraction.

However

, by December the statistics were stable and the total

rainfall

dose remained

40

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at 40

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mm.