Remember the Climate Council was birthed by ex staffers from the Climate Commission which was disbanded by the Australian LNP Government elected Sept 2013. Climate Council Seasonal Update: Abnormal Autumn – Looks to me as if their cherry picked warm period 8 to 26 May is borrowed from the BoM – Special Climate Statement 49 – an exceptionally prolonged autumn warm spell over much of Australia
Here is a time series chart of Australian Autumn mean temperature anomalies. Not sure what is abnormal. Remember these time series charts are built from ACORN SAT data.
Click to play animation of nine previous warm autumns.
Sydney is the only prominent site I can see that had an all time record warm Autumn. Birdsville qualifies too. Any other candidates?