Hiding Australia’s Hot Past

I have good tools place now to analyze temperatures in Australia, and am finding out exactly why BOM hides all temperatures before 1910.  Australia was extremely hot and they don’t want you to know about it. Look at these temperatures during the January, 1882 heatwave. It was too hot for dogs to bark.

28 Jan 1882 – WAGGA WAGGA. – Trove

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8 Responses to Hiding Australia’s Hot Past

  1. John Haller says:

    Wagga Wagga, so hot that the usual suspects couldn’t be bothered. Those stats from Walgett and Gunedah are also pretty amazing. Although not strictly on topic, a look at the Marble Bar(Western Australia’s)climate has them holding the record for the longest 100 F + heatwave in 1924. If you look at Google street view of the main street of Marble Bar, you will notice quite a number of buildings replaced their glass windows with wooden panels to reduce the radiant heat I’d guess. Keep up the great work Toto.

  2. Theyouk says:

    O/T…Marsh Harbour (Abaco) endured a direct hit from Dorian, experienced the calm of the eye, and now is back in the maelstrom. God help these people.

    Maximum reported sustained winds (per various online sources) have been around 142 mph, putting it solidly in Cat 4. (This is a deadly storm!) It will be interesting to see how the classification is finally recorded—and to see all available observational (not modeled) data. Will this get hyped up to a Cat 5? Hopefully it does not increase in strength as it leaves the Bahamas…

    • Theyouk says:

      Per hurricane hunter aircraft, solidly Cat 5. Terrifying.

    • Douglas Hoyt says:

      On the Weather Channel, they showed a video from Marsh Harbor taken when it was in the calm of the eye of the hurricane. What caught my eye was a house that had all the roof shingles still intact. Generally these will be blown off in winds higher than 105-110 mph. Since they were all intact, it makes me wonder if there were really sustained winds over 100 mph at that location.

  3. Robert B says:

    Perth just had its hottest August by a couple of degrees. BOM predicted 30°C and they got 30.0°C. Locals say that their home thermometers were +5°C cooler.

    This is not the first time that I have seen this.

    Can I get some advice on how to quickly go through BOM records to plot number of stations recording 30.0 or 35.0 that were records for the month as well as total numbers compared to the numbers greater than those temperatures v time. It might not happen often enough to see but I suspect that the staff might bump up the temperature the least amount for propaganda purposes.

  4. Bill in Oz says:

    Rob, it is the siting of so many BOM weather stations which is the issue.
    They are so often located for convenience not for accuracy.
    You might find this blog site interesting : https://kenskingdom.wordpress.com/

    Ken is doing a thorough check out of all BOM’s weather stations. So far 67 BOM weathew stations from SA, Tasmania & NSW have been proved faulty as they are not located in conformity with BOM’s own guidelines for such stations. None so far for WA, NT or Qld. But they are coming – 2 a day each day !

    Tony, thatnks once agin for drawing attention to BOM hiding weather dat from before 1910. Supposedly it is because the BOM only came into existence in 1908. But the fact is that all the colonies ( and then states ) had their weather station networks some dating back to the 1840’s.

    In South Australia, my own home town ( Mt Barker ) had a weather station from 1863. But the BOM has suppressed all temperature readings from the station from 1887-1926.

    Here is their own record for average monthly maximum temperatures. http://www.bom.gov.au/jsp/ncc/cdio/weatherData/av?p_nccObsCode=36&p_display_type=dataFile&p_startYear=&p_c=&p_stn_num=023733

    NB : Rainfall records on the other hand are available. So clearly the Mt Barker weather station was not closed during this period.

    • Robert B says:

      I’m aware of that. This is a different issue. Its just that I’ve seen the same news stories about breaking the 30 degree mark and there is a short spike of heat that gets to 30.0. Its a bit too weird to happen twice. Sorry, but I can’t remember the details of the previous time. Not often enough to affect average temperature trends but good propaganda.

      I’ve also seen a coldest August day stubbornly refuse to break a record cold. Three days of the exact same minimum to the first decimal point and 0.1 above the record. I can see leftwing meteorologists not wanting to deliberately fudge data, although poor methodology is fine, but helping get out the message without minimal corruption might be tempting

  5. Don Andersen says:

    Hard to believe the Perth 30C day when you look at the surrounding days:


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