Description, qualifying comments, and acceptable water years.
Drainage area is 502 sq.mi. Datum is 365.51 ft.
Located in hydrologic unit 07140106 at Latitude: 37:59:40N Longitude: 088:58:30W
Station is in the state of IL (county code 055) and serviced by the IL office.
Channel slope is 1.80 feet/mile
Stream length is 63.72 miles
Mean basin elevation is 481.00 feet above National Geodetic Vertical Datum
Percent of contributing drainage area covered by
Storage: 0.87% Lakes: N.A.% Forests: 19.13% Glaciers: N.A.%
Soil infiltration index is 0.10 inches
Annual precipitation is 40.60 inches
Precipitation intensity is 3.40 inches/24 hour (expected on the average once each two years)
January minimum temperature is 25.00 degrees Fahrenheit
Comments and qualifications on the data:
Below 10 cfs, records are rated poor.
Daily and longer averages for 25 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.
a. Table of daily data ( 87K text)
b. Table of monthly data
c. Table of annual data
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.
a. Format of the daily data table
b. Format of the monthly data table
c. Format of the yearly data table