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 11530000 TRINITY R AT HOOPA CALIF


Description, qualifying comments, and acceptable water years.

Drainage area is 2853 sq.mi.                            Datum is 274.82 ft.
Located in hydrologic unit 18010211 at Latitude: 41:03:00N  Longitude: 123:40:15W
Station is in the state of CA (county code 023) and serviced by the CA office.
Channel slope is 18.10 feet/mile
Stream length is 154.00 miles
Mean basin elevation is 1500.00 feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by 
   Storage: 0.00%     Lakes: N.A.%        Forests: 99.00%     Glaciers: N.A.%
Soil infiltration index is N.A. inches
Annual precipitation is 56.00 inches
Precipitation intensity is 4.00 inches/24 hour (expected on the average once each two years)
January minimum temperature is 34.00 degrees Fahrenheit
Comments and qualifications on the data:
   Small diversions for mining and irrigation. Regulation by major reservoir beginning 11/60.


Daily and longer averages for 33 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
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.

Return to Region18