USGS Magnitude & Frequency of Rural Floods in the Southeastern United States
(Excel Spreadsheet - includes gage weighting calculation - Ver. 1.3)
Supporting document: USGS SIR 2009-5158 (Vol. 2 of 3 - for NC)
USGS Hydrologic Regions NC Map

Urban Regression Equations

The National Flood-Frequency Program—Methods for Estimating Flood Magnitude and Frequency
in Rural* and Urban Areas in North Carolina, 2001 (USGS Fact Sheet 007-00)
*Note: Rural regression equations in FS 007-00 superceded by SIR 2009-5158 referenced above.

Estimation of flood-frequency characteristics of small urban streams in North Carolina (USGS WRI-96-4084)

Estimating flood hydrographs for urban basins in North Carolina (USGS WRI 96-4085)

Other USGS Data

Flow-velocity and depth data during peak discharge events
at selected bridge crossings in North Carolina, 1964-98 (USGS OFR 00-189)

Flood-Frequency Statistics USGS Gaged Sites

USGS National Water Informatiom System (NWIS)

Low-flow characteristics of streams in North Carolina" (Giese and Mason, 1993)
Mean Annual Runoff Map (Plate 2 from above document) PDF format

USGS Open File Report - Drainage Areas of Selected Sites on Streams in North Carolina (PDF)

Excel Spreadsheet - Drainage Areas of Selected Sites by Quadrangle (open as "Read Only")