Tuesday was the hottest day on record globally. While Monday, July 3 broke a first record, the next day immediately surpassed it, as noted by preliminary measurements taken Wednesday, July 5 by an American weather observatory.

On Tuesday, July 4, the average air temperature on the surface of the planet was measured at 17.18 ° C by an organization dependent on the US Oceanic and Atmospheric Administration (NOAA), which has not yet given official confirmation for this day.

This measurement clearly exceeds the 17.01 ° C measured on Monday and which already beat by a significant margin the previous daily record (16.92 ° C) set on August 14, 2016, and repeated on July 24, 2022.

Between 1979 and 2000, an average of 16.20°C

These data are produced by a model from NOAA's National Centers for Environmental Prediction, and put online by researchers at the University of Maine; they date back to 1979.

The air temperature, which fluctuates between about 12°C and 17°C daily average during the year, averaged 16.20°C at the beginning of July between 1979 and 2000 according to this system of measurements.

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The European Copernicus Observatory, contacted by AFP, said that their "preliminary measurements for Monday 3 July confirmed that it was the warmest" of their "ERA5 database since 1940", but that the data were not yet available for 4 July.

These records, which have yet to be corroborated, are likely to be broken again soon as the Northern Hemisphere begins its summer season and the average global temperature generally continues to rise until late July-early August.

A taste of El Nino

Already at the beginning of June, global average temperatures were the warmest ever recorded for this period by the European Copernicus service, breaking previous records by a "substantial margin".

These observations are a likely foretaste of the El Nino phenomenon – usually associated with rising global temperatures – coupled with the effects of human-induced global warming.

In June, several records were broken in Asia and the UK experienced its hottest June on record while Mexico and Texas were hit by an extreme heat wave.

With AFP

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