AAP: SMALL rises in the average temperature can mean a big rise in the number of scorching hot days.
At first glance, that might not seem logical.
Shouldn't small changes in the temperature mean small changes in the frequency of scorchers?
Unfortunately, the answer is no.
Take Tasmania, for example.
Temperatures have been rising in the island state.
In the first 20 years of data available from the Bureau of Meteorology, 1911 to 1930, the temperature across Tasmania averaged 10.3 degrees...