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 12370000 SWAN RIVER NEAR BIGFORK, MT.


Description, qualifying comments, and acceptable water years.

Drainage area is 671 sq.mi.                             Datum is 3062.60 ft.
Located in hydrologic unit 17010211 at Latitude: 48:01:28N  Longitude: 113:58:44W
Station is in the state of MT (county code 047) and serviced by the MT office.
Channel slope is 36.30 feet/mile
Stream length is 84.50 miles
Mean basin elevation is 5020.00 feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by 
   Storage: 1.85%     Lakes: 1.85%        Forests: 89.80%     Glaciers: N.A.%
Soil infiltration index is 8.90 inches
Annual precipitation is 23.00 inches
Precipitation intensity is 1.70 inches/24 hour (expected on the average once each two years)
January minimum temperature is 14.00 degrees Fahrenheit

Daily and longer averages for 66 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
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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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