But bureau chief executive Andrew Johnson later told Environment Minister Josh­ Frydenberg that investigations had found a number of cold-weather stations were not "fit for purpose" and would be replaced."

Aussie temperature tampering scandal: "Smart cards" filter out coldest temperatures. Full audit needed ASAP! - 'The story changes: first it was quality control, then equipment failure, now a smart card?'

Flashback - Scandal: Australian Bureau of Meteorology caught erasing cold temperatures

Flashback: Australia Weather Bureau Caught Tampering With Climate Numbers