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Streamflow—Water year 2020

September 7, 2021

The maps and graphs in this summary describe national streamflow conditions for water year 2020 (October 1, 2019, to September 30, 2020) in the context of streamflow ranks relative to the 91-year period of water years 1930–2020. Annual runoff in the Nation’s rivers and streams during water year 2020 (11.10 inches) was higher than the long-term (1930–2020) mean annual runoff of 9.40 inches for the contiguous United States. Nationwide, the 2020 streamflow ranked the 10th highest out of the 91 years.

Publication Year 2021
Title Streamflow—Water year 2020
DOI 10.3133/fs20213046
Authors Xiaodong Jian, David M. Wolock, Harry F. Lins, Ronald J. Henderson, Steven J. Brady
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Fact Sheet
Series Number 2021-3046
Index ID fs20213046
Record Source USGS Publications Warehouse
USGS Organization Kansas Water Science Center