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Scientific Investigations Report 2009–5135

Prepared in cooperation with the Oklahoma Water Resources Board

Statistical Summaries of Streamflow in and near Oklahoma Through 2007

By Jason M. Lewis and Rachel A. Esralew


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Statistical summaries of streamflow records through 2007 for gaging stations in Oklahoma and parts of adjacent states are presented for 238 stations with at least 10 years of streamflow record. Streamflow at 120 of the stations is regulated for specific periods. Data for these periods were analyzed separately to account for changes in streamflow because of regulation by dams or other human modification of streamflow. A brief description of the location, drainage area, and period of record is given for each gaging station. A brief regulation history also is given for stations with a regulated streamflow record. This descriptive information is followed by tables of mean and median monthly and annual discharges, magnitude and probability of exceedance of annual instantaneous peak flows, durations of daily mean flow, magnitude and probability of nonexceedance of annual low flows, and magnitude and probability of nonexceedance of seasonal low flows.

First posted October 30, 2009

For additional information contact:

Director, U.S. Geological Survey
202 NW 66th Street, Building 7
Oklahoma City, OK 73116

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Lewis, J.M., and Esralew, R.A., 2009, Statistical Summaries of Streamflow in and near Oklahoma Through 2007: U.S. Geological Survey Scientific Investigations Report SIR 2009-5032, 36 p.




Statistical Summaries


Selected References

Statistical Summaries of Streamflow by Station


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