The summer just finished was Australia’s second-hottest on record, with the temperature 1.88C above average, the Bureau of Meteorology says.
The only hotter summer on record was the previous year, which was 2.14C above average.Temperatures this summer were above average across almost the entire country.
Dr Blair Trewin, a senior climatologist with the bureau, said the hot summer, which was marked by the unprecedented bushfire crisis that devastated communities and wildlife in much of the country, was part of a long-term warming trend that had seen the country warm by 1.4C since 1910.Most of that warming has come since 1950.
Trewin said:“That tells us the baseline is higher, and with that you have a higher risk of high extremes like we have seen in the past two summers.Our baseline expectation now is for warmer than average summers, and other seasons more generally.”
The heat records are relative to the long-term average for the years between 1961 and 1990.
The bureau’s summer report came as its officials told a Senate estimates hearing in Canberra that Australia is heating more rapidly than the global average.
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