The bar chart below illustrates information about water levels in reservoirs in six Australian cities in october 2009 and october 2010.
Overall, most cities expereinced in rise in water levels over the period, with Brisbane showing the most dramatically growth. In contrast, Perth was the only city where the water level enermously changed. Sydney has maintained the same level during the period.
In october 2009 Brisbane has the one of the highest levels at 80%, which rose steeply to 100% to te end of october 2010. Canbera also saw a slight change increase, from 50% to 73%, while Melbourne water levels jumped from 35% to 45%. Similarly, Darwin showed slow grow 75% in 2009 to 80% in 2010.
There is differen trend in Sydney, which had no changes and flactuate with 49%. Perth was the only city that experienced the major decrease, faling from 51% to 26%- the lowest indicater among all cities in that period.
