Plummeting August 24 Temperatures In The US

On this date in 1936, the US had 100 degree temperatures from California to Virginia, and much of the Midwest was over 110 degrees.

The average maximum temperature across the US was 92F.  August 24 temperatures have been declining since the 19th century.

Sixty-one percent of US stations were over 90F that day.

This is why NOAA has to tamper with the data. Thermometers show the exact opposite of what global warming theory predicts.

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15 Responses to Plummeting August 24 Temperatures In The US

  1. JonA says:

    Tony,

    Is your analysis based on using the station data as discreet points or do you do any
    conversion for area?

    Clive Best had a good post on Spherical Triangulation to convert to regional
    coverage:

    http://clivebest.com/blog/?p=7886
    http://clivebest.com/blog/?p=7748

    • tonyheller says:

      “Premature optimization is the root of all evil”
      – Donald Knuth

      As soon as you you start doing manipulation like that, you obscure the data. Very bad idea.

    • Frank K. says:

      JonA – what is the purpose of the “spherical triangulation” algorithm? To fill in missing data? Doing this assumes some basis function for each triangle, and hence is just another name for “data interpolation”. Data interpolation can be OK if your underlying data are spatially smooth, but temperature data are not smooth, especially over the large distances between some stations.

      • JonA says:

        It’s not really interpolation. It’s areal biasing. You have to add
        some weighting for the area that the stations cover – otherwise
        you will bias the data if you have regions which have significantly
        higher sample density than others. For example, imagine I want
        to work out the average temperature of England. Let’s say
        I have ten data points in Greater London, two in Manchester
        and one in Newcastle. The higher sample density I have in
        London is very likely to bias any calculated average. This is
        why grid cells are normally used.

        Not that an average temperature means anything anyway
        (temperature is an intensive property)…

        • David A says:

          Which is why one should use the best sited longest running stations, show the area covered, show the average for the area covered and the anomaly and never claim more then common sense allows.

          • JonA says:

            Agreed.

          • JonA says:

            I should add, I think if someone did that and found:

            The same areal trends in the adjusted and
            homogenized data.

            The came high correlation between adjustments
            and CO2 PPM.

            Then that would be a real smoking gun that
            the data is being adjusted to match the
            hypothesis.

  2. Andy DC says:

    This August will probably go down in history as one of the coolest on record. Many stations throughout the Midwest are averaging 5-6 degrees below normal so far this month, with nothing but cool weather in sight for the rest of the month.

    I believe that International Falls, MN got down to 30 this morning, and if so, the earliest subfreezing temperature for them on record.

    • AndyG55 says:

      This won’t show up in the NOAA temperature record, though, now will it !!

    • Bob G says:

      Didn’t hit 30 in International Falls, but did elsewhere, even a 29. And there was a 29 in Michigan too.
      Paste:
      Overnight low temperatures in northern Minnesota
      Data valid as of 7:16 a.m. Thursday, Aug. 24 (Source: National Weather Service, Duluth)
      13 NE Clear Lake: 29
      Crane Lake Airport: 30
      Embarrass: 30
      5 E Seagull Lake: 30
      5 NW Ash Lake: 32
      Bruno: 32
      International Falls: 33
      Grand Marais Airport: 34
      5 NW Hovland: 34
      Ely Airport: 34
      5 S Ely: 34
      3 E Orr: 34
      3 ENE Margie: 34
      Orr: 34
      Skibo RAWS: 34
      Makinen: 35
      1 E Birchdale: 35
      7 E Effie: 35
      3 SW Orr: 35

    • TimC says:

      There was a frost advisory in Marquette County, Michigan this week, very unusual for August. Typical overnight lows in Marquette are mid-fifties at the end of August. This of course is just weather, not climate.

  3. Bob G says:

    The Al Gore effect is alive and well where I live, St. Cloud, MN. Ever since his new movie came out it has turned cold!! From the SCSU Meteorology dept:
    Getting Closer to one of the 10 Coldest Augusts
    Even our sunny days aren’t enough to push the August temperature warmer. Thanks in great part to yesterday morning’s 47-degree low, the St. Cloud August temperature has dropped to 64.7 degrees, 3.9 degrees below average. The most reachable of the 10 coolest Augusts in St. Cloud records are 1927 and 1950 with an average temperature of 64.4 degrees. The more clouds we have through the weekend, the closer we will get to top 10 status. Note from the chart that 20 of the 23 August days so far have had below average temperatures.

    • MrZ says:

      Remember cold is also caused by global warming. We have had colder than normal here in Sweden as well so it’s really global…

  4. Bernal says:

    Lovely fall weather in W. Tennessee, 80s/60s. Heated up the cold-brew coffee this morning instead of iced.

  5. RAH says:

    Last night after I got back to the terminal it was darn chilly while fueling the truck. I noticed even the mechanics in the garage had their overhead doors down. Not like one expects for August.

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