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   How many years have temperatures risen in the United States?

   • Average temperatures have risen more quickly since the late 1970s (0.32 to 0.55°F per decade since 1979). Nine of the top 10 warmest years on record for the contiguous 48 states have occurred since 1998, and 2012 and 2016 were the two warmest years on record.

   Climate Change Indicators: U.S. and Global Temperature

   www.epa.gov/climate-indicators/climate-change-indicators-us-and-global-temperature

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   What factors affect the average temperature in a year?

   • Many factors affect the average temperature in any given year, including La Niña and El Niño climate patterns in the tropical Pacific. 2021 was a La Niña year, and NASA scientists estimate that those ocean conditions may have cooled global temperatures by about 0.03°C (0.06°F) from what the average might have been.

   2021 Continued Earth’s Warming Trend - NASA Earth Observatory

   earthobservatory.nasa.gov/images/149321/2021-continued-earths-warming-trend

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   How fast has temperature risen Across the United States?

   • Since 1901, the average surface temperature across the contiguous 48 states has risen at an average rate of 0.17°F per decade (see Figure 1). Average temperatures have risen more quickly since the late 1970s (0.32 to 0.55°F per decade since 1979).

   Climate Change Indicators: U.S. and Global Temperature

   www.epa.gov/climate-indicators/climate-change-indicators-us-and-global-temperature

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2. www.epa.gov › climate-indicators › climate-changeClimate Change Indicators: U.S. and Global Temperature

   www.epa.gov › climate-indicators › climate-change

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   Nov 1, 2023 · Global average surface temperature has risen at an average rate of 0.17°F per decade since 1901 (see Figure 2), similar to the rate of warming within the contiguous 48 states. Since the late 1970s, however, the United States has warmed faster than the global rate.

   • High and Low Temperatures

     This map shows trends in unusually hot temperatures at...

   • Weather and Climate

     Total annual precipitation has increased over land areas in...

   • Greenhouse Gases

     Worldwide, net emissions of greenhouse gases from human...

3. climate.nasa.gov › vital-signs › global-temperatureGlobal Temperature | Vital Signs – Climate Change: Vital ...

   climate.nasa.gov › vital-signs › global-temperature

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   A graph and an animated time series showing the change in global surface temperature relative to 1951-1980 average temperatures. The year 2023 is the warmest on record.

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5. berkeleyearth.org › global-temperature-report-for-2023Global Temperature Report for 2023 - Berkeley Earth

   berkeleyearth.org › global-temperature-report-for-2023

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   Jan 12, 2024 · In 2023, 95.5% of the Earth’s surface was significantly warmer than the average temperature during 1951-1980, 3.5% was of a similar temperature, and only 1% was significantly colder. We estimate that 17% of the Earth’s surface set a new local record for the warmest annual average.

6. svs.gsfc.nasa.gov › cgi-bin › detailsSVS: Global Temperature Anomalies from 1880 to 2021

   svs.gsfc.nasa.gov › cgi-bin › details

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   Continuing the planet’s long-term warming trend, global temperatures in 2021 were 1.5 degrees Fahrenheit (or 0.85 degrees Celsius) above the average for NASA’s baseline period, according to scientists at NASA’s Goddard Institute for Space Studies (GISS) in New York.

7. earthobservatory.nasa.gov › images › 1493212021 Continued Earth’s Warming Trend - NASA Earth Observatory

   earthobservatory.nasa.gov › images › 149321

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   Jan 13, 2022 · Earth’s global average surface temperature in 2021 tied 2018 as the sixth-warmest year on record, according to independent analyses from NASA and the National Oceanic and Atmospheric Administration (NOAA). Global temperatures in 2021 were 0.85 degrees Celsius (1.5 degrees Fahrenheit) above the average for NASA’s baseline period, according ...

8. www.climate.gov › news-features › features2021 Global climate summary: 6th-warmest year on record

   www.climate.gov › news-features › features

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   Jan 13, 2022 · For 2021, the average temperature across global surfaces was 1.51°F (0.84°C) above the 20th-century average. This was the sixth highest among all years in the 1880-2021 record. The year 2021 marks the 45th consecutive year (since 1977) with global temperatures, at least nominally, above the 20th-century average.

9. wmo.int › news › media-centreWMO confirms that 2023 smashes global temperature record

   wmo.int › news › media-centre

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   Jan 12, 2024 · Six leading international datasets used for monitoring global temperatures and consolidated by WMO show that the annual average global temperature was 1.45 ± 0.12 °C above pre-industrial levels (1850-1900) in 2023.