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


Station 02054500 ROANOKE RIVER AT LAFAYETTE, VA


Description, qualifying comments, and acceptable water years.

Drainage area is 257 sq.mi.                             Datum is 1174.47 ft.
Located in hydrologic unit 03010101 at Latitude: 37:14:11N  Longitude: 080:12:34W
Station is in the state of VA (county code 121) and serviced by the VA office.
Channel slope is 43.00 feet/mile
Stream length is 22.80 miles
Mean basin elevation is 1840.00 feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by 
   Storage: 1.00%     Lakes: N.A.%        Forests: 76.00%     Glaciers: N.A.%
Soil infiltration index is N.A. inches
Annual precipitation is 42.20 inches
Precipitation intensity is 3.00 inches/24 hour (expected on the average once each two years)
January minimum temperature is 25.60 degrees Fahrenheit
Comments and qualifications on the data:
   Records were provided by the Virginia Water Control Board. Records are unsuitable for analysis at less than monthly
   analysis due to occasional diurnal fluctuations induced by upstream plant.


Monthly and longer averages for 44 water years are acceptable (all years except partial years).
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
4-----0----5----0----5----0----5----0----5----0----5----0----5----0----5----0----5----0----5----0----5----0----5--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.

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