The diagram illustrates the water storage levels in six municipalities in Australia from October 2009 to October 2010.
Overall, there is a noticeable increase in water storage across these six towns in both October 2009 and October 2010. The water levels in October 2010 were higher compared to those in October 2009.
Firstly, the city with the highest water storage level in 2010 reached nearly 100%. This was followed closely by the second city, which had just over 80% water storage during the same period. Additionally, the sixth city observed an increase in stored water from just above 60% in 2009 to a higher level in 2010.
In contrast, the first city is the only location that saw more water stored in October 2009, reaching around 45%, as opposed to approximately 30% in 2010. The fourth city maintained the same level of water storage in both years, which was just above 50%.