HCDN: Streamflow Data Set, 1874 - 1988
By J.R. Slack, Alan M. Lumb, and Jurate Maciunas Landwehr
USGS Water-Resources Investigations Report 93-4076


Description, qualifying comments, and acceptable water years.

Drainage area is 6257 sq.mi.                            Datum is 163.90 ft.
Located in hydrologic unit 02080205 at Latitude: 37:40:15N  Longitude: 078:05:10W
Station is in the state of VA (county code 075) and serviced by the VA office.
Channel slope is 6.16 feet/mile
Stream length is 280.00 miles
Mean basin elevation is 1560.00 feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by 
   Storage: 1.06%     Lakes: N.A.%        Forests: 74.00%     Glaciers: N.A.%
Soil infiltration index is N.A. inches
Annual precipitation is 42.70 inches
Precipitation intensity is 3.35 inches/24 hour (expected on the average once each two years)
January minimum temperature is 26.40 degrees Fahrenheit
Comments and qualifications on the data:
   Records are unsuitable for analysis at less than montly resolution due to diurnal fluctuations induced by upstream
   powerplant and sewage treatment plant releases. Records affected by releases from Gathright Dam after December

Monthly and longer averages for 55 water years are acceptable (some whole years and all partial years are excluded).
A water year with acceptable data is indicated by an asterisk in the time line, which spans 1874 through 1988.

                                                   Water year
1     1         1         1         1         1         1         1         1         1         1         1       1
8     8         8         9         9         9         9         9         9         9         9         9       9
7     8         9         0         1         2         3         4         5         6         7         8       8

The streamflow data Daily values, monthly mean values, and yearly mean values of streamflow data are available in tablular form. Select the desired option from the list below.

The data tables do not have column heading for ease of reading into statistical programs. For a detailed description of the format of the data tables, select the corresponding file from the list below.

Return to Region02