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 09147500 UNCOMPAHGRE RIVER AT COLONA, CO.


Description, qualifying comments, and acceptable water years.

Drainage area is 448 sq.mi.                             Datum is 6318.80 ft.
Located in hydrologic unit 14020006 at Latitude: 38:19:53N  Longitude: 107:46:44W
Station is in the state of CO (county code 091) and serviced by the CO 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:
   Flow affected by Ridgway Reservoir since 1986. Water year 1913 has periods of constant estimated flow that fall
   short of the criteria for estimated flow discussed in the text.


Daily and longer averages for 73 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.

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