Water storage data from Bureau of Meteorology. See http://water.bom.gov.au/waterstorage/awris/Data from
Data used by the Department of Environment and Energy to produce graph at Figure WAT5 in the Inland Waters theme of the 2016 State of the Environment Report, available at
https://soe.environment.gov.au/theme/inland-water/topic/2016/recent-climate#inland-water-figure-WAT5