The statistics illustrate the water levels of six Australian cities during October 2009 and 2010.
Overall, among all cities, Sydney had the highest proportion of water level during the entire period except 2010, when Canberra took over. A majority of cities witnessed an upward trend compared to the previous year, except Darwin, which displayed an opposite trend, and Brisbane, which remained unchanged.
In 2009, Sydney and Canberra had the highest proportion of water level, with approximately 75%, around two times as high as the figure for Perth. Melbourne recorded the lowest water percentage, with around 20%, about one-half as high as the data for Darwin.
Thereafter, most cities witnessed an upward trend. Canberra took the highest place, with its water level rising from 75% to around 95%. Perth witnessed the largest increase in water levels, to over 70%. By contrast, Darwin displayed an opposite trend; its proportion fell from 50% to around 25%. Meanwhile, Brisbane remained unchanged, with around 55%.
