Most of the US is cooling dramatically, and has been for 80 years. That is why NCDC and NASA make their massive downwards adjustments of the past – to hide the decline in US temperatures.
Disrupting the Borg is expensive and time consuming!
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But they are rotten temperatures. Once they are “healed”, they will look much better. Just ask gavin.
What’s clear is you didn’t use the unadjusted adjusted data. You must adapt your data. 🙂
Raw data, like raw milk is evil…it must be Gavinized, homogenized and other wise ‘ized’.
Ummm….they were hoping that no one would notice…
If you plot the minimum temperatures vs the maximum temperatures for the same records do you see the UHI signal?
At about -1°F per 30 years or so over about 80 years.
This is great info Steve. Now, if temperature variation / standard deviation is stable, and normal, and the % of 90°F days was 8% in 1880, and now it is 4.6%, we could also say that the temperature has dropped by 0.28 standard deviations. So if you calculate the std dev of those midwest temps (only the deviation from the trend) and multiply by 0.28, this should give you the number of degrees that the upper end of the temperature has dropped, all else being the same… Now you could do this again with temperatures above 80, 70, and so on and describe the movement of the distribution in another way. I think it could be another way to show that the adjustments made are totally bogus.