Tag Archives: Hadcrut4

Cowtan & Way airbrushing

The Cowtan & Way version of Hadcrut4 uses a kriging technique to extrapolate values into those parts of the world where there are no direct measurements. Originally I had assumed that this fit was guided by the use of UAH … Continue reading

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Temperature data averaged 3 ways

How should you calculate annual global temperature data? We start with Hadcrut4.5 gridded monthly data defined on a 5×5 degree grid and then form the global area weighted average in 3 different ways. Integrate the annual anomaly ¬†over month,lat & … Continue reading

Posted in AGW, Climate Change, climate science, NOAA, UK Met Office | Tagged , | 9 Comments

Meridional warming

Update (7/2): I made a silly mistake with normalising the averages. The text and figures have been updated with the correct results. In this post I am going to present global temperature data in a different way to¬†highlight how the … Continue reading

Posted in AGW, Climate Change, climate science | Tagged , | 21 Comments