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. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The bar graph illustrates the number of rains in each month in Australia in the previous year, and the figures from 4 decades ago for comparison are shown in the line chart. The unit of measurement is in mm.

Overall

, the highest rainfall season is from November to March,

while

the lowest season is from August to October. First of all, as can be seen in the bar chart,

last

January was the highest month when there were 70

whereas

the lowest was in August and October at less than 10.

Additionally

, from August to October, September had 10 of rain.

Next,

one prominent factor of

this

data is that in the

last

40 years, the average rainfall in January reached 80.

In contrast

, there was a downward trend until it dropped to a trough of less than 20 in September. After a surge, there was an increase in the following period until it reached approximately 60 in December.