July 2020 Temperature Update

Globally, July 2020 is estimated to have been tied with July 2019 as the warmest July since records began in 1850. The nominal difference between 2019 and 2020 is less than 0.01 °C, which is much smaller than the uncertainty on this temperature analysis, making 2019 and 2020 indistinguishable. Previously in 2020, we have also witnessed the warmest April, May, and June.

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June 2020 Temperature Update

Globally, June 2020 is estimated to have been the warmest June since records began in 1850, exceeding the previously warmest year in 2019. However, the margin of difference between 2020 and 2019 is small compared to the estimated uncertainties. As a result June 2020 and June 2019 may be regarded as essentially tied for the warmest June. 2020 has also had both the warmest April & May.

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May 2020 Temperature Update

Globally, May 2020 is estimated to have been the warmest May since records began in 1850, exceeding the previously warmest year in 2016. This follows the warmest April. Updated projections for the rest of 2020 give a 89% chance that 2020 will be a new record warm year, a significant increase relative to prior projections.

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April 2020 Temperature Update

As noted above, the current projection for 2020 has shifted significantly higher than previous projections. The resulting ~60% chance of a new record is similar to projections that others have issued for 2020.

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March 2020 Temperature Update

Globally, March 2020 is estimated to have been the fourth warmest March since records began in 1850. March 2020 was appreciably cooler than March 2016, and slightly cooler than March in 2017 and 2019. However, March 2020 remains warmer than all other Marchs since global temperature estimates began in 1850. This follows the 2nd warmest February and 2nd warmest January.

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Global Temperature Report for 2019

Berkeley Earth, a California-based non-profit research organization, has been preparing independent analyses of global mean temperature changes since 2013. The following is our report on global mean temperature during 2019. We conclude that 2019 was the second warmest year on Earth since 1850. The global mean temperature in 2019 was colder than 2016, but warmer […]

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November 2019 Temperature Update

The following is a summary of global temperature conditions in Berkeley Earth’s analysis of November 2019. Globally, November 2019 was the second warmest November since records began in 1850. The global mean temperature was 0.88 ± 0.05 °C above the 1951 to 1980 average.  This is equivalent to being 1.26 ± 0.07 °C above the 1850 to 1900 average, […]

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3rd-Party Data Visualizations

The following is a selected list of third-party data visualizations that have used data from Berkeley Earth. Climate Data Data explorer map of past and future temperature change produced by Carbon Brief. Local changes in the number of hot days produced by The New York Times. Temperature change in major cities produced by the BBC. […]

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October 2019 Temperature Update

The following is a summary of global temperature conditions in Berkeley Earth’s analysis of October 2019. Globally, October 2019 was the second warmest October since records began in 1850. The global mean temperature was 0.99 ± 0.06 °C above the 1951 to 1980 average.  This is equivalent to being 1.38 ± 0.07 °C above the 1850 to 1900 average […]

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Global Mean Temperature Anomaly 1850-2018

Global Temperature Report for 2018

Berkeley Earth, a California-based non-profit research organization, has been preparing independent analyses of global mean temperature changes since 2013. The following is our report on global mean temperature during 2018. We conclude that 2018 was likely the fourth warmest year on Earth since 1850. Global mean temperature in 2018 was colder than 2015, 2016, and […]

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Global Temperature Report for 2017

Berkeley Earth, a California-based non-profit research organization, has been preparing independent analyses of global mean temperature changes since 2013. The following is our report on global mean temperature during 2017. We conclude that 2017 was likely the second warmest year on Earth since 1850. Global mean temperature in 2017 was 0.03 °C (0.05 °F) warmer […]

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