The bar chart shows how much water there is in the reservoirs of six Australian cities in a year, from October 2009 to October 2010. Overall, the level of water in the reservoirs of Sydney, Melbourne, Perth and Canberra witnessed an increase, whereas the reverse was true for Darwinian reservoir in 2010. The amount of water remained relatively similar in Brisbane over the period.
First, the percentages of water in Sydney reservoir stood out among others, exhibiting approximately 75% in 2009, which then rose by around 5% in 2010. The amount of water in Melbourne was the least allocated water compared to other cities. It accounted for 25% in October 2010 before going up to to just below 40% in the following year. One of the biggest surges in the percentages of water in Australia was witnessed in Perth. It mounted from 40% to exactly 60% in a year, illustrating a perfect 20-percentages-point increase in the amount of water in reservoirs. The most noticeable increase was recorded in Canberra reservoirs, increasing from around 75% to just below a hundred.
By contrast, even though there were many significant improvements in the amount of water in aforementioned cities, downward trends were marked in Darwin. The level of water in reservoirs in Darwin accounted for 45% in 2009, which then declined by roughly 7-percentage-points in the following year. Finally, the figure for Brisbane reservoirs remained static over a year, showing the same percentages (55%)
