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Figure : improving-indicators-change
Improving Indicators of Change
This figure appears in chapter 2 of the Our Changing Planet: The U.S. Global Change Research Program for Fiscal Year 2017 report.
One measure of a heavy precipitation event is a two-day precipitation total that is exceeded on average only once in a five-year period, also known as a once-in-five-year event. As this extreme precipitation index for 1901-2012 shows, the occurrence of such events has become much more common in recent decades. Changes are compared to the period 1901-1960, and do not include Alaska or Hawai‘i. The 2000s decade (far right bar) includes 2001-2012.
When citing this figure, please reference USGCRP.
The time range for this figure is January 01, 1900 (00:00 AM) to January 01, 2000 (00:00 AM).
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