This graph compares and is sourced to:

• Historic Bureau of Meteorology data for Broome (Excel file, 60kb)
• Broome Airport data used by the Goddard Instutute for Space Studies (GISS) at NASA to calculate global temperatures
• Broome Airport data from 1895 to 2008 via UK Met Office of HadCRUT3 record of global temperatures that underpin IPCC assessment reports and numerous scientific studies.
• High Quality data for Broome since 1910 from the Bureau of Meteorology

All data has been homogenised and adjusted by authorities to account for artificial factors such as changes in site location, exposure, instrumentation or observation procedures, particularly the High Quality BoM data since 1910 (... more).

Similar graphs are available for Albany, Bridgetown, Busselton, Cape Leeuwin, Cape Naturaliste, Carnarvon, Derby, Donnybrook, Esperance, Eucla, Eyre, Geraldton, Halls Creek, Kalgoorlie, Katanning, Kellerberrin, Marble Bar, Merredin, Perth, Rottnest Island, Southern Cross, Wandering and York.

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