Its RSI or Relative Strength Index was at 26 on Friday on a scale of 1 to 100 (top portion of the chart) and has rebounded to about 39 on Monday morning.

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The heatwave across Australia in recent weeks has been so intense that the Bureau of Meteorology has had to add a new shade to its colour-coded temperature chart, so the scale now reaches above 50C.

BBC: Sydney bakes on hottest day on record as bushfires rage