Weather data agencies have repeatedly been caught adjusting temperature records to make the past appear colder than it was measured–and the present seem warmer by comparison.
In the U.S. the officials in NASA’s Goddard Institute for Space Studies (GISS) have altered the data to make U.S. temperatures appear to have risen 1.5 degrees Fahrenheit over the past century.
Now there is evidence that Australian record keepers have also been altering temp records. See here.
It appears that the temperature records for Darwin, Australia have been steadily altered to make the past seem colder than it was measured. Now the records show average temps for Darwin have risen 1.8 degrees Celsious!