Figure : global-temp-measurements

Global Temperature Increase Shown in Multiple Datasets

Figure A5.8

U.S. Global Change Research Program USGCRP
Matthew Dzaugis

This figure appears in chapter A5 of the Impacts, Risks, and Adaptation in the United States: The Fourth National Climate Assessment, Volume II report.

This chart shows observations of global annual average temperatures from three different datasets—one from NASA (yellow line), one from NOAA (orange line), and one from the University of East Anglia in conjunction with the United Kingdom’s Met Office (HadCRUT4.5, brown line)—along with historical simulations of global temperature from the Coupled Model Intercomparison Project Phase 5 (CMIP5) ensemble of climate models (black line). The lines show annual differences in temperature relative to the 1901–1960 average. Small differences among datasets, due to choices in data selection, analysis, and averaging techniques, do not affect the conclusion that global surface temperatures are increasing. Source: adapted from Knutson et al. 2016.30db4465-656b-433c-9d33-63eee28aa49a

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This figure was created on June 13, 2017.

This figure was submitted on December 03, 2018.

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