Skip to content

More Junk Science From Katharine Hayhoe

September 20, 2014

By Paul Homewood




I mentioned the Northeast Climate Impacts Assessment report last week. The report was published in 2007 by the Union of Concerned Scientists, with Katharine Hayhoe as co-lead of the Climate Team.


It is perhaps time to revisit another of their predictions from the Executive Summary.



Seasoned Hayhoe watchers will hear alarm bells ringing, when they see a starting point of 1970 used. It is, of course, a regular trick to use the cold decade of the 1970’s as a baseline.




But what about all these days above 90F? Let’s check a few examples in Maine, New York and Pennsylvania. (The Northeast Climatic Region includes the latter two, as does the Impacts Assessment).

The three stations below are selected from the USHCN list of longer running stations, with little missing data.







The above whisker plots record daily maximum temperatures year by year. At none of the sites is there any evidence of 90F days increasing, or for that matter of top temperatures rising.

On the contrary, the opposite seems to be the case, with the highest summer temperatures in recent years well below those recorded in the first half of the 20thC, and even before.


Reinforcing this pattern is the fact that the All-Time state temperature records for these three states were all set by 1936.


North Bridgton Maine 1911 105F
Troy New York 1926 108F
Phoenixville Pennsylvania 1936 111F


Meanwhile, at Farmington, so far this summer, the temperature has failed to get above 90F at all.





This is yet more junk science from Katharine. Maybe the UCS should ask for their money back!

  1. David permalink
    September 20, 2014 1:00 pm

    From the 2007 report:

    “Since 1970 the Northeast has been warming at a rate of nearly 0.5 degrees Fahrenheit (°F) per decade.”

    According to the NOAA link, the rate from 1970-2013 is now 0.6 F/dec.

    • September 20, 2014 1:58 pm

      I guess when you homogenize and torture data, you can get whatever numbers you want. Never ever use actual temperatures as was illustrated here. It just ruins the who mantra of climate apocalyse.

      • Streetcred permalink
        September 22, 2014 8:47 am

        It’s like homogenizing rancid milk 😉

      • September 22, 2014 1:07 pm

        Streetcred: What a perfect way to describe the mess!

    • September 20, 2014 4:24 pm

      I wonder why they should start from 1970?

      Only asking!!

  2. John F. Hultquist permalink
    September 21, 2014 3:04 am

    Katharine (and fellow travelers) has accepted an improper definition of climate, that being an average of temperature. They have also attributed a major role to CO2 that has been shown to be false. Therefore, nothing she writes is worth reading.
    If she still has a teaching appointment, students should avoid her classes. The Union of Concerned Scientists get what they expect from her and so do not deserve a refund. They are not concerned about science or they would not publish such junk. Their prime motive must be something other than science.

  3. Richard Bell permalink
    September 21, 2014 9:56 pm

    You should have seen her on the USA …. PSS TV program …. link below

    If you can get through the whole program without throwing up ……. I will eat my holy hat !!!

    I have nothing against religion ……. but come on ???????????

  4. September 23, 2014 6:28 pm

    In the NE there was a dearth of 90-degree days this summer, at least through mid-August.

Comments are closed.

%d bloggers like this: