Another Smoking Gun

In USHCN V1, the TOBS adjustment was less than 0.4F, and goes flat after 1990.

ts.ushcn_anom25_diffs_pg (1) ts.ushcn_anom25_diffs_pg.gif (650×502)

In V2, they use the same algorithm

This net effect is about the same as that of the TOB adjustments in the HCN version 1 temperature data (Hansen et al. 2001), which is to be expected since the same TOB-adjustment method is used in both versions.

ftp://ftp.ncdc.noaa.gov/pub/data/ushcn/papers/menne-etal2009.pdf

But now, the TOBS adjustment is more than 0.3C, and doesn’t go flat after 1990.

ScreenHunter_655 Jun. 26 02.16

So the  same algorithm now produces very different results, favoring global warming – as with all the other data tampering. Zeke says he doesn’t know what caused the discrepancy.

Good enough for government work.

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About stevengoddard

Just having fun
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7 Responses to Another Smoking Gun

  1. Anto says:

    Steve,
    Correct me if I’m wrong, but isn’t the entire rationale and calculations for TOBS adjustments based on a single Karl paper from 1986?

    • If someone is stupid enough to reset their thermometer early in the morning or late in the afternoon (and not again at night), they will suffer serious TOBS issues. It is difficult for me to believe that anyone would be stupid enough to do that. The problem becomes abundantly apparent after doing it for a few days.

  2. JustAnotherPoster says:

    You mean 0.3 Degrees C Not 3 Degrees.

  3. philjourdan says:

    Government does not work.

  4. Chip Bennett says:

    This is the corollary to the “black box” model that takes any data set, and spits out the same hockey-stick output.

  5. Crowbar of Daintree Forest says:

    Steve, a big thank you from me for your mighty efforts at truth-seeking.
    What you are doing is performing the in-depth Systems Testing that the Govt-employed I.T. people should have done. When all this finally blows up in their faces, you should feel justified in submitting an invoice for Systems Testing.

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