This work is licensed under a Creative Commons Attribution 4.0 International License. According to GISS, the global mean surface air temperature for that period was estimated to be 57 F (14 C). As a result, some groups are unable to capture the strong Arctic warming observed by Berkeley Earth, ECWMF, and others. An extreme example of this would during the early history of the Solar System, some 3.75 billion years ago. This series of images illustrates the variations in the average productivity of the global biosphere from 1999 to 2008. We reprocess and interpolate the HadSST data to provide a more complete picture of the oceans. Uncertainties indicate 95% confidence range. The year 2016 ranks as the warmest on record (source: NASA/GISS). Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), More Evidence That Comets May Have Brought Life to Earth, World Meteorological Organization standard, steadily increasing since the mid-20th century, NASA’s Solar System Exploration Guide on Earth,,,,,–MdCSg,, Episode 697: Interview: Theoretical Physicist Dr. Peter Woit, Episode 696: Open Space 94: Is It Realistic to Declare a "Free Mars"? Death Valley's record is for the highest air temperature. Estimates on the average surface temperature of Earth are somewhat limited due to the fact that temperatures have only been recorded for the past two hundred years. It is common for additional observations to be added to archives after some delay, an issue that is more likely this year due to the US government shutdown. All of these measurements were based on temperature readings that were performed in accordance with the World Meteorological Organization standard. NASA Goddard Institute for Space Studies (2020) GISS Surface Temperature Analysis (GISTEMP). In early 2018, the U.S. National Academies released a report called "Thriving on Our Changing Planet: A Decadal Strategy for Earth Observation from Space." The hottest temperature ever recorded was 159.3 F (70.7 C) and the coldest temperature was minus 128.6 F (minus 89.2 C). However, it was not the hottest spot for every single year in the survey. And More…, Episode 695: Q&A 130: Does the Dark Forest Explain the Fermi Paradox? For example, the NOAA and HadCRU efforts omit most of the polar regions when estimating mean temperature changes. But because of Saturn’s tilt, the southern and northern hemispheres are heated differently, causing seasonal temperature variation., Weekly Space Hangout: In the end, temperatures vary considerably on every planet in our Solar System, due to a multitude of factors. In a stable climate only 2.5% of the Earth would be expected to have temperatures “Very High” or higher in any given year. Thus, the actual daytime temperature in a given month will be 2 to 10 °C (4 to 18 °F) higher than the temperature listed here, depending on … We take note of the fact that other groups have announced that 2019 set a new record for total ocean heat content, including both surface and subsurface waters. 00:12:38 Is the Universe heating up? Essentially, the temperature gets cooler the farther one ventures from the core, which is due to the planet’s internal pressure steadily decreasing the father out one goes. This is consistent with the process known as Arctic amplification. We’ve also recorded an episode of Astronomy Cast all about planet Earth. Though the focus of our work is on global and regional climate analysis, it is also possible to use our data to estimate national temperature trends. Goldilocks is a very relativistic notion which is very direct reported to the life we know. Join us at By contrast, 2019 began with a weak El Niño event and finished with neutral conditions. And given that Earth has an inclined axis (approximately 23° towards the Sun’s equator), the Northern and Southern Hemispheres of Earth are either tilted towards or away from the Sun during the summer and winter seasons, respectively. Members of the news media may also use the materials in this report for any new reporting purpose provided that Berkeley Earth is properly acknowledged, without concern for whether or not the CC BY-4.0 license is followed. The slight disagreement in the ranking reflects both the uncertainty in these estimations and the differences in how various research programs look at the Earth. NASA Earth Observatory (2010, June 3) Global Warming. The average temperature across the globe in 2019 was 1.71 degrees F (0.95 of a degree C) above the 20th-century average and just 0.07 of a degree F (0.04 of a degree C) cooler than the 2016 record. 00:07:53 Will Gateway get delayed too? The average temperature on the surface of Earth depends on a number of factors. The Paris Agreement on Climate Change aims to keep global temperature rise to well below 2 °C (3.6 °F) and encourages parties to strive for warming of no more than 1.5 °C (2.7 °F). The temperatures listed are averages of the daily highs and lows. Science Editor: Sentinel-6 Michael Freilich, the world's latest sea level satellite, is in orbit and ready to begin taking critical ocean measurements for the next five-and-a-half years. And More…, Episode 691: Interview: Seth Shostak from the SETI Institute, Episode 690: The Opposition of Mars with Ralph Crewe, Episode 689: Open Space 90: Could We Drill for Life on Mars? Here is what you need to know to keep up. In 2019, 52% of the Earth have annual averages that would rate as “Very High” compared to the historical climate, including large portions of the tropics. The National Oceanic and Atmospheric Administration (NOAA), on the other hand, fills in fewer of the gaps, and produces a more conservative estimate. Join our 836 patrons! That would be what we call a typo, thanks for catching it. Follow us on Twitter: @universetoday Given that the Earth experiences a sidereal rotation of approximately 24 hours – which means one side is never always facing towards the Sun – temperatures rise in the day and drop in the evening, sometimes substantially. The following is our report on global mean temperature during 2019. The history of average global temperature is based on data gathered around the world at …–MdCSg, Support us at: This ocean data is based on 392 million measurements collected by ships and buoys, including 18 million observations obtained in 2019. Globally, 2019's average temperature was second only to that of 2016 and continued the planet's long-term warming trend: the past five years have been the warmest of the last 140 years. Headquarters, Washington RSS:, What Fraser's Watching Playlist: The laboratory is affiliated with Columbia University’s Earth Institute and School of Engineering and Applied Science in New York.