Climate bombshell — NZ has not warmed for 19 years

The data say one thing

[CORRECTION 1 Nov 2017 1945 NZDT: The original post used annual data. Figures for the standard error at 19 and 20 years have been removed until I can redo them using monthly data. The trends are unaffected. RT]

[CORRECTION 2 Nov 2017 1605 NZDT: There have been numerous changes to align this post with a Coalition submission to the Royal Society. There are minor changes, references to error margins and to the 20-year chart have been binned and the title changed to “… not warmed for 19 years”. RT]

For the national temperature record, the 7SS, NIWA have collected the data, checked it, adjusted it, approved it and published it on their website, so they can scarcely now argue with it. But, on the other hand, it’s totally at odds with what they say in public. Note to MSM: this ought to be front-page news.

NIWA say another

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