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In cooperation with the Texas Department of Transportation

Flood Frequency in Texas—Calculation of Peak-Streamflow Frequency at Gaging Stations

By William H. Asquith and Raymond M. Slade, Jr.

U.S. Geological Survey
Fact Sheet 181–95


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pdf (260 KB)


Contents

Peak-Streamflow Data and Frequency Calculation

Climatic and Physiographic Influences on Peak Streamflow

Recent USGS Work on Calculation of Peak-Streamflow Frequency

Estimation of Generalized Skew Coefficients

Estimation of Low-Outlier Thresholds

Estimation of Probable Maximum Floods

Reference

Figure

Map showing locations of gaging stations in Texas with at least 8 years of peak-streamflow data from unregulated, rural basins




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