Bathurst is about 50 miles west of Sydney, and is one of few locations in Australia with a coherent long-term temperature record. They had an unprecedented heatwave during January 1878.
1/12/1878 112.5F TMAX BATHURST GAOL ASN00063004
14 Jan 1878 – Great Heat in the Interior. – Trove
Minnesota also had their warmest winter on record in 1878.
19 Mar 1878, Page 2 – Star Tribune at Newspapers.com
The Australian Bureau of Meteorology hides all temperatures before 1910, because Australia was much hotter prior to 1910.
Climate change and variability: Tracker: Australian timeseries graphs
The record heat of 1878 was not caused by CO2, so climate scientists erase it instead of trying to understand it. And the long term decline in temperatures at Bathurst is eliminated by homogenizing it into the Urban Heat Island of Sydney.
