Figure 7.1

National Oceanic and Atmospheric Administration National Centers for Environmental Information NCEI
David R. Easterling

This figure appears in chapter 7 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.

Annual and seasonal changes in precipitation over the United States. Changes are the average for present-day (1986–2015) minus the average for the first half of the last century (1901–1960 for the contiguous United States, 1925–1960 for Alaska and Hawai‘i) divided by the average for the first half of the century. (Figure source: [top panel] adapted from Peterson et al. 2013,e15600d0-290f-44e2-9b58-9ffd295ee6d2 © American Meteorological Society. Used with permission; [bottom four panels] NOAA NCEI, data source: nCLIMDiv).

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This figure was created on October 14, 2016.

This figure was submitted on October 19, 2017.

References :

• Monitoring and Understanding Changes in Heat Waves, Cold Waves, Floods, and Droughts in the United States: State of Knowledge (e15600d0)

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