Streamflow—Water Year 2020

Fact Sheet 2021-3046
By: , and 

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Abstract

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.

Suggested Citation

Jian, X., Wolock, D.M., Lins, H.F., Henderson, R.J., and Brady, S.J., 2021, Streamflow—Water year 2020: U.S. Geological Survey Fact Sheet 2021–3046, 6 p., https://doi.org/10.3133/fs20213046.

ISSN: 2327-6932 (online)

Study Area

Table of Contents

  • Introduction
  • National Overview
  • Regional Patterns
  • Seasonal Characteristics
  • High and Low Flows
  • Additional Information
  • References
Publication type Report
Publication Subtype USGS Numbered Series
Title Streamflow—Water year 2020
Series title Fact Sheet
Series number 2021-3046
DOI 10.3133/fs20213046
Year Published 2021
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Kansas Water Science Center
Description Report: 6 p.; Dataset
Country United States
Online Only (Y/N) Y
Google Analytic Metrics Metrics page
Additional publication details