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Sydney temperature history – BoM raw data compared to ACORN adjusted data

Here is Sydney raw max & min annual temperature history -

This shows raw compared to ACORN also annual – you easily see where the effective adjustments are concentrated.

From 1 Jan 1983 on to present day there are no adjustments made to the daily max data. There are however some days when the raw reading is discarded to leave a data gap in ACORN. In the case of minimums (nightime) the data has no ACORN adjustments from 1 Jan 1964 to present day. But like the max – ACORN finds quite a few minimums not fit for ACORN.
Daily ACORN max minus raw max

Daily ACORN min minus raw min

To me it looks like machine driven stroking & tweaking.

ABC says – Carbon farming a flop at Henbury Station – thats in the Northern Territory Australia

Carbon farming a flop at Henbury Station – I have had articles on Henbury for 18 months or so – I have also tried FOI to get at the truth of why it failed. The information gatekeepers are too good for me. Still waiting for the real story. Looks like the taxpayers $millions are lost.

Did First Solar think Australia was going to vote for GreenLabor in 2013 ?

Just saw this on the ABC – First Solar reconsiders Australian investments amid ‘uncertainty’ over Renewable Energy Target
Quoting the article – First Solar’s vice-president of business development, Jack Curtis, says a lot has changed in the eight months since the former federal government announced the project.
“Those projects … reached financial close in a different political and business environment which was almost a year ago now,” Mr Curtis said.
“That’s obviously changed quite dramatically since the election. There’s now a much greater deal of uncertainty around future projects like this.”

RSS satellites find Australian lower troposphere anomalously cool during March 2014 – BoM surface data finds a warm anomaly

RSS finds the same general shape as the BoM mean anomaly – when you make a mean anomaly map for March at the BoM you see Perth and Hobart were warmest.

The Time Series chart shows the BoM anomaly was about +0.75 degrees. Fascinating that there should be such a difference with RSS – considering the lower troposphere is such a gossamer thin skin when considered on the scale of our wide brown land.
Interesting too that RSS found all three southern hemisphere land masses were cool in March. I bet the big surface datasets will not agree.

BoM says re Hobart on 1st April 2014, “..31 degrees Celsius was the hottest April day since records started in 1881.”, but history shows sites nearby experienced several relatively hotter events

The ABC reports – Records melt as Hobart swelters through hottest April day in 132 years -
Checking hottest April day statistics at this BoM page – just amend the station number in the URL.
Checking daily data a month at a time in District 94 on Australian Weather News AWN – April 2005 at AWN shows the two hot days on 1st & 2nd.

The article could have been more balanced by pointing out other hotter events in the very small and variable District 94. IMHO Tuesday was just another early April hot day where the peak max happened to fall at central Hobart. I wonder if we should expect more balance from our scientists at the Bureau of Meteorology.
Make anomaly maps for any day you choose at this BoM page.

New South Wales politicians surrounding the A.C.T. do not want Canberra’s wind farms in NSW

The ACT Government wants to source 200 megawats of power from wind farms in surrounding NSW to power 80,000 Canberra homes by 2020.

It is part of the Government’s target of generating 90 per cent of Canberra’s energy from renewable sources within the next six years.
If all of this wind farm development takes place – it still leaves the ACT reliant on NSW coal fired electricity. That’s the reality.

I note the ACT Chief Minister says there is no room in the ACT for these wind farms. I thought the ACT had plenty of high country that would be windy – what do readers think?

ABC says – “Wave energy company Oceanlinx in administration”

Ran into trouble at Carrickalinga south of Adelaide while being towed to Port Macdonnell near Mount Gambier. I wonder how much taxpayers money has gone into these wave energy ventures over a decade or so – does anybody keep a tally?
How about a successful working project somewhere?

IPCC says it is likely the world is hotter now than in the Medieval Climatic Optimum

I had a quick look at GreenFacts.org presentation of the latest Climate Change IPCC 2013 Update. In 2.1 they say about global temperatures – “They also have ….likely been the warmest in the last 1400 years even if the rate of warming over the last 15 years is smaller than the rate since the 1950s.” Likely is a 66 – 100% probability. So the IPCC re-annoints the “hockey-stick” graph of global temperatures despite the published destruction done to it.

IPCC wakes up at long last – Biofuels do more harm than good

Amazing – after sceptics have been warning of this for years.
The sooner the IPCC is disbanded the better off the world will be.

Australian Antarctic bases Davis and Mawson beset by ice

The first map from the AAD gives an idea how far the Aurora Australis had to stand off Davis to fly helicopters – and we are only at the autumn equinox. Note too the current search area for debris ex MH370 is on that map.

The daily sitreps from the ship Aurora Australis – Webcams page – The Cryosphere Today source of satellite sea ice extent image -

Southern Hemisphere sea ice area looks healthy