Tag Archives: GHCN

GHCNV4 September Temperature is either 0.93C or 0.70C

Posted on October 16, 2020 by Clive Best

My calculation uses  a 3D integration of GHCNV4 and HadSST3  temperature data.  If I use GHCN V4C (corrected data) I get 0.93C for September,  whereas if instead I use the uncorrected V4U I get 0.70C. In the first case 2020 … Continue reading →

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GHCN V4

Posted on September 24, 2020 by Clive Best

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

Posted on August 14, 2020 by Clive Best

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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