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 10240 sq.mi.                           Datum is 2041.54 ft.
Located in hydrologic unit 17010101 at Latitude: 48:24:03N  Longitude: 115:33:08W
Station is in the state of MT (county code 053) and serviced by the MT office.
Channel slope is N.A. feet/mile
Stream length is N.A. miles
Mean basin elevation is N.A. feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by 
   Storage: N.A.%     Lakes: N.A.%        Forests: N.A.%      Glaciers: N.A.%
Soil infiltration index is N.A. inches
Annual precipitation is N.A. inches
Precipitation intensity is N.A. inches/24 hour (expected on the average once each two years)
January minimum temperature is N.A. degrees Fahrenheit
Comments and qualifications on the data:
   Regulated by large dam starting water year 1971.

Daily and longer averages for 61 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.

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