Temperature Variation In Nebraska

Someone on Twitter suggested the daily variation seen across stations in Nebraska temperatures was due to measurement error.

In fact, it is due primarily to Nebraska being a large state with a wide temperature variation.

People are always trying to out-think reality, and then adjust reality to fit their view of the world.

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5 Responses to Temperature Variation In Nebraska

  1. arn says:

    Removing the blind spots which keeps our world view alive is the real mastery,
    as killing the golden kalfs of others is much easier than the own ones
    because sacrifying things that others built and own is a lot easier.

  2. Jason Calley says:

    Tony, one of the things which I most admire about you is your dogged (Hi, Toto!) determination to always, always, always follow the data. I have no doubt that if the data were to suddenly somehow switch and begin to support CAGW, you would be first in line to loudly announce that “new data shows a complete reversal of former trends and now supports CAGW.” YOU are a real scientist! The world could use a lot more like you. Thanks.

  3. GCsquared says:

    Both this example of Nebraska as well as Tony’s earlier one about California show what a large impact is created when variations over space, in one case, or time, in the other, aren’t considered.

    Some concepts are just poorly-formed and shouldn’t be used. Behind both of these cases are assumptions that people don’t even realize they’re making. For Nebraska, it is that a state should have a single “average” temperature, and that all stations should reflect this; for California, it is that adding more information over time will only improve the measurement in some undefined sense, and won’t create any detrimental effects. These assumptions can be difficult to identify, even when it’s clear there might be something wrong, and one deliberately sets out to find what it is. (Tony & California)

    IMHO, the worst ill-formed concept is the IPCC definition of the greenhouse effect, which is the difference in surface temperatures of a planet with and without its atmosphere. On the earth, if you only removed the greenhouse-gas atmospheric water, the seas would dry, and all animal and plant life would die. Even removing CO2 would kill all plants, and eventually the animals. Removing the entire atmosphere would turn earth into a moonscape. These thought-experiments totally fail to operationally articulate the infrared and lapse activity that the “greenhouse” term is meant to encapsulate.

  4. AndyDC says:

    I can remember a time there was a 40 degree temperature difference in New Jersey, a relatively tiny state.

    • cdquarles says:

      That’s happened here, too, when a strong southerly fetch brings in moist tropical air for a couple of days and that gets followed by a strong cold front. The state is about 4.75 degrees of latitude long. That alone guarantees about 5 degrees of temperature difference between the northern end and the southern end’s average daily maximums over much of the year. The reported averages never include the range observed.

      Inquiring minds want to know: why they don’t include a measure of the variation? /rhetorical and /sarcasm

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