Last 50 years were Australia's hottest: study - ABC News (Australian Broadcasting Corporation)

http://www.abc.net.au/news/2012-05-17/study-says-last-fifty-years-were-australias-hottest/4016304
Dr Gergis says the scientists have minimised the variability in their model by crunching the data 3,000 different ways.

"What we were able to see is that in 95 per cent of the reconstructions, we actually see that the post-1950 warming observed in the region is unprecedented in the context of the last millennium so it is not dependent on a loss of records back in time or the different combination of record," he said.