Category Archives: climate science

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

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Nights warm faster than days

The world has warmed on land by up to 1.5 C since pre-industrial times, but what does that really mean? Most people assume it means extreme temperatures¬† are increasing. However that is not the full story. The daily change in … Continue reading

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