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Summary Figures
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Monthly Analysis
Comparison of temperature of the last eleven years. Figure also available in PDF (Updated on 2023/09/14, now with GHCN v4 and ERSST v5)
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Global-mean monthly-mean surface temperature anomalies with the base period 1951-1980. V denotes the major volcanic eruptions, and m and M denote the years of the minima and maxima of sunspot number cycles, respectively. See a NOAA/NGDC page. (Updated on 2023/09/14) , now with GHCN v4 and ERSST v5.)
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Changes in Seasonal Resolution
Seasonal mean surface temperature anomaly for 2016 and 2020. (Updated on 2021/03/12, now with GHCN v4 and ERSST v5)
Seasonal mean surface temperature anomaly for 2022 and 2023. (Updated on 2023/09/14, now with GHCN v4 and ERSST v5)
Surface temperature changes for 1900-2019, 1950-2019 and 2000-2019 based on linear trends for four seasons separately. (Updated on 2020/01/14, now with GHCN v4 and ERSST v5)
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Annual Analysis
Annual mean surface temperature anomaly since 1996. Since 1880 (140 years) the top 5 warmest years fall in 2015-2022 and top 10 warmest years fall in 2010-2022. Now with GHCN v4 and ERSST v5. Updated on 2023/01/12)
Annual mean surface temperature anomaly in 2019, 1950-2019 temperature change and standard deviation. Now with GHCN v4 and ERSST v5. Updated on 2020/01/15)
Annual mean surface temperature changes based on linear trends. Figure also available in PDF (Updated on 2023/01/12 with GHCN v4 and ERSST v5)
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Decadal Anomalies
Figure also available in PDF.
(Updated on 2023/01/12, with GHCN v4 and ERSST v5)
Annual and decadal mean global-mean temperature relative to 1880-1920 mean
Decadal trend computed using 132 monthly mean temperature anomalies through March 2021. (Updated on 2021/04/13)
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Regional Changes
Zonal Means
U.S. Summer and Winter Temperature
Greenland Temperature Change
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Arctic Summer (Jun-Jul-Aug) Temperature Anomalies
Antarctic Summer (Dec-Jan-Feb) Temperature Anomalies
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Updates of figures in Hansen, et al. Global temperature change, 2006, PNAS.
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Figure 7 in PDF. (Updated 2020/11/24)
Figure 9 in PDF. Data provided by Dr. Reto Ruedy of NASA/GISS. (Updated 2020/11/30)
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Daily Global Temperatures Anomaly by Climate Reanalyzer (University of Maine)
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All above data source: NASA Goddard Institute for Space Studies, New York, NY,
except several NOAA data sets mentioned above.
(See
data.giss.nasa.gov/gistemp for details and data.)
Note: The Byrd Station data in central West Antarctica were replaced by Bromwich et al's data. (since 2013/03/21)