Author Archives: Clive Best

Differences in 2019 temperatures

HadCRUT4.6 has released their annual temperature result for 2019 as 0.74C. They grid the station data (CRUTEM4) with SST data (HADSST3) in 5×5 degree bins and perform an area weighted: global average. CRUTEM4 has 7680 stations which contribute to calculating … Continue reading

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2019 Annual Temperature

The December 2019 temperature was up by 0.12C from November at  1.01C relative to 1961-1990. This completes the annual global average temperature for 2019 making it the second warmest year at 0.86C. This is  just 0.015C cooler than 2016. All … Continue reading

Posted in Australia, climate science, Hadley, NOAA | Tagged , | 5 Comments

The baseline problem

A baseline is simply a period of successive years whose average temperature is subtracted from a time series to produce temperature “anomalies”. One normally associates anomalies with weather station data where the baseline is then the 12 monthly seasonal averages … Continue reading

Posted in AGW, Climate Change, climate science | Tagged , | 5 Comments