No Warming in North Australia for 31 Years

I’m nearly a year late with this, but I’ve only just noticed.

According to the Bureau of Meteorology’s official temperature records, for all of the Northern Australian region- the half of the continent north of 26 degrees South- the minimum temperatures are steadfastly refusing to rise.  From 1982 to 2012, the linear trendline for minima is on the decreasing side of dead flat.

Acorn tmin Nth Oz 82-12

This is longer than the 3o years regarded as the minimum period for analysing climate trends, and in spite of the massive increase in amount of CO2 emissions.  Note that 1982 and 2011-2012 were almost equally cooler than normal.

Remember  that one of the fingerprints of greenhouse warming is that minima should be increasing more than maxima.

Here is the 365 day running mean of daily minima anomalies of all Acorn sites in Northern Australia (more about this next year) up to early December this year:

tmin nth aust 1910-13a

Rather than a smoothly rising trend, the record is characterised by 10 to 15 year rapid rises and falls, responding to events in the Pacific and Indian Oceans.

This is a diagram of Australia’s climate regions:summer1213  regions

After New Year I will post about minima for other regions and Australia as a whole.

Merry Christmas to all.

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4 Responses to “No Warming in North Australia for 31 Years”

  1. analysing BoM agenda driven results … found, dead parrots | pindanpost Says:

    […] Ken’s Kingdom does a full analysis: 2013 Minimum Temperatures Released and see also: No Warming in North Australia for 31 Years […]

  2. Samuel's Blog » Bureau overheat figures by 4 degrees! (2013 was not Australia’s hottest year on record) Says:

    […] below average NT did not record a below average month (odd, but not implausible, considering that Northern Australia has not warmed for 31 years) Additionally, May and June were quite mild months across everywhere except the Northern Territory, […]

  3. oceans rule the climate, powered by the sun … not the taxpayer | pindanpost Says:

    […] This very useful wind map explains why the oceans run the climate, their influence as shown here is really quite extraordinary. Do warmists still say that a few parts per million of CO2 can affect what’s happening here?  Northern Australia has not warmed for 31 years, either. […]

  4. oceans rule the climate, powered by the sun … | pindanpost Says:

    […] This very useful wind map explains why the oceans run the climate, their influence as shown here is really quite extraordinary. Do warmists still say that a few parts per million of CO2 can affect what’s happening here?  Northern Australia has not warmed for 31 years, either. […]

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