Tag Archives: v3.inv

GHCN and Gistemp Data Quality

Post to be completed when the post Self-adjusting the Adjustments is complete. Posted now as placeholder to allow linkage from previous post. Location metadata   Temperature data Advertisements

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Urban corrections in Gistemp (and GHCN-M), “then and now”

Further content coming soon. This placeholder post published now to allow a link to the coming post to be included in an online comment. Hansen et al. 1999 (Hansen, J., R. Ruedy, J. Glascoe, and M. Sato, 1999: GISS analysis … Continue reading

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Temperature Adjustments In The Canadian Arctic – some supplementary information for a comment

This post extends a comment posted at https://notalotofpeopleknowthat.wordpress.com/2015/02/08/temperature-adjustments-in-the-canadian-arctic/ While Paul Homewood’s post deals with GHCN adjustments, this comment examines the influence of one of these Canadian Arctic stations, Eureka, on the Gistemp gridded output. As station coverage in the northern … Continue reading

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Cooling The Past In Siberia – some supplementary information – the discussion

As completion of this post was long delayed, I’m posting the discussion part separately here as an ‘aside’ post so that it will show up as a new post for anyone who has given up waiting. The most striking aspect … Continue reading

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Cooling The Past In Siberia – some supplementary information

Paul Homewood has a post Cooling The Past In Siberia , where I commented. This post adds some further information to my comments, with images which I could not post inline at Paul’s blog, and more detailed information about the … Continue reading

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A few more GHCN problems

GHCN monthly data (v2 or v3) may not always be quite what it seems. Consider Nitchequon (Canada: 40371826000), looking here at the five individual time series in GHCN v2: Some missing years – but where’s the problem?

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GISTEMP change to use GHCN v3

The initial GISTEMP steps are described in gistemp.txt in the new GISTEMP (v3) source:

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