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 10263500 BIG ROCK CREEK NEAR VALYERMO,CALIF.


Description, qualifying comments, and acceptable water years.

Drainage area is 22.9 sq.mi.                            Datum is 4050.00 ft.
Located in hydrologic unit 18090206 at Latitude: 34:25:15N  Longitude: 117:50:19W
Station is in the state of CA (county code 037) and serviced by the CA office.
Channel slope is 341.00 feet/mile
Stream length is 6.70 miles
Mean basin elevation is 6000.00 feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by 
   Storage: 0.00%     Lakes: N.A.%        Forests: 95.00%     Glaciers: N.A.%
Soil infiltration index is N.A. inches
Annual precipitation is 18.00 inches
Precipitation intensity is 4.50 inches/24 hour (expected on the average once each two years)
January minimum temperature is 28.00 degrees Fahrenheit
Comments and qualifications on the data:
   Part of record provided under the general supervision of USGS.  Accuracy of many years rated fair.


Daily and longer averages for 65 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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