Category Archives: AGW

GHCN V4

Each monthly update of V4C (corrected)  changes past results as well as adding the new monthly temperatures. This is due to their homogenisation algorithm.  I had already noticed that V4 gave warmer results than V3 but found that the uncorrected … Continue reading →

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July global temperature anomaly unchanged from June at 0.79C

My 3D calculation of the global temperature anomaly for July 2020 using GHCN-V4 and HadSST3 is 0.79C (baseline 1961-1990), the same value as for June. However the spatial distribution has changed significantly. Here are the monthly trends and the annual … Continue reading →

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What is the mean temperature of Australia ?

ACORN2 is the latest BOM version of station data in Australia. You can plot the average temperature anomaly data for December using their trend tracker. Shown below the graph is the average temperature for the baseline period 1961-1990. The value … Continue reading →

Posted in AGW, Australia, Climate Change | Tagged , | 6 Comments