Category Archives: Uncategorized

Homogenisation of temperature data

How accurate is the pair-wise homogenisation algorithm applied to GHCN land temperature measurements and the instrumentation corrections made to sea surface temperatures? Long term station measurements are affected  by a station’s physical relocation, by environmental changes (urban development)  and by … Continue reading

Posted in AGW, Hadley, NOAA, Uncategorized | Tagged | 19 Comments

Cooler global temperatures in 2021

2021 will be the coolest year since 2018, ending up between 0.7C and 0.8C warmer than the  baseline climate of 1961 to 1990. This spread mainly depends on which SST dataset you  use. There are two versions of HadSST namely … Continue reading

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Global Temperatures – April 2021

My calculation of April’s temperature (anomaly) was 0.64C, which is down 0.04C from March. This is based on V4C and HADSST3 data using spherical triangulation. It is the coldest April since 2015. It was particularly cool across Europe, Central/Western US … Continue reading

Posted in Uncategorized | 14 Comments