By Paul Homewood
An important post from Jennifer Marohasy:
Australia is a large continent in the Southern Hemisphere. The temperatures measured and recorded by the Australian Bureau of Meteorology contribute to the calculation of global averages. These values, of course, suggest catastrophic human-caused global warming.
Two decades ago the Bureau replaced most of the manually-read mercury thermometers in its weather stations with electronic devises that could be read automatically – so since at least 1997 most of the temperature data has been collected by automatic weather stations (AWS).
Before this happened there was extensive testing of the devises – parallel studies at multiple site to ensure that measurements from the new weather stations tallied with measurements from the old liquid-in-glass thermometers.
There was even a report issued by the World Meteorological Organisation (WMO) entitled ‘Instruments and Observing Methods’ (Report No. 65) that explained because the modern electronic probes being installed…
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