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Streamflow of 2012--Water Year Summary

Fact Sheet 2013-3026

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Abstract

The maps and graphs in this summary describe streamflow conditions for water year 2012 (October 1, 2011, to September 30, 2012) in the context of the 83-year period from 1930 through 2012, unless otherwise noted. The illustrations are based on observed data from the U.S. Geological Survey’s (USGS) National Streamflow Information Program (http://water.usgs.gov/nsip/). The period 1930–2012 was used because, prior to 1930, the number of streamgages was too small to provide representative data for computing statistics for most regions of the country. In the summary, reference is made to the term “runoff,” which is the depth to which a river basin, State, or other geographic area would be covered with water if all the streamflow within the area during a specified time period was uniformly distributed upon it. Runoff quantifies the magnitude of water flowing through the Nation’s rivers and streams in measurement units that can be compared from one area to another.

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Streamflow of 2012--Water Year Summary
Series title:
Fact Sheet
Series number:
2013-3026
Year Published:
2013
Language:
English
Publisher:
U.S Geological Survey
Publisher location:
Reston, VA
Contributing office(s):
National Center
Description:
8 p.
Number of Pages:
8
Time Range Start:
2011-10-01
Time Range End:
2012-09-30
Country:
United States
Online Only (Y/N):
Y
Additional Online Files(Y/N):
N