Monthly Archives: January 2021

HadCRUT5 increase in global temperatures

The HadCRUT5 data show about a 0.1C increase in annual global temperatures compared to HadCRUT4.6. There are two reasons for this. The change in sea surface temperatures moving from HadSST3 to HadSST4 The interpolation of nearby station data into previously … Continue reading

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A first look at HadCRUT5

The latest version of the CRU station data is called CRUTEM5 which when combined with the new Met Office sea surface temperature data HadSST4 becomes the new official global temperature dataset HadCRUT5. This was released about 2 weeks ago and … Continue reading

Posted in climate science, CRU, Hadley, UK Met Office | Tagged , | 3 Comments

2020 global temperature equals that of 2016

The global temperature for 2020 was 0.88C equaling that in 2016 based on GHCN-V4C (homogenised) and HadSST3. The V4U (uncorrected) result is 0.82C for 2020 making it slightly cooler than 2016. These are based on the Spherical Triangulation technique described … Continue reading

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