LOCATION.-- Lat 38°50'30", long 90°01'59" (NAD of 1927), in SE1/4NW1/4 sec.31, T.5 N., R.8 W., Madison County, Hydrologic Unit 07140101, on right bank at upstream side of bridge on State Highway 143, 0.8 mi northeast of Wanda, 2.2 mi upstream from mouth, 5 mi west of Edwardsville, and at mile 2.9. |
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DRAINAGE AREA.-- 36.7 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: April 1940 to current year. |
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STAGE: Water years 1994 to current year. |
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REVISED RECORDS.-- WSP 1175: 1941, 1942(M). WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 429.52 ft above NGVD of 1929. Prior to Oct. 1, 1960, water-stage recorder at site 60 ft upstream at datum 2.00 ft higher. Oct. 1, 1960, to June 23, 1965, nonrecording gage at site 30 ft upstream at present datum. June 24, 1965, to May 10, 1967, nonrecording gage at present site and datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 9,340 ft3/s, Aug. 15, 1946, gage height, 18.41 ft, site and datum then in use; no flow for many days in most years. |
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REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 0.54 | 1.3 | 5.7 | 12 | e8.0 | 17 | 28 | 72 | 67 | 4.4 | 6.8 | 1.2 |
2 | 0.43 | 1.6 | 4.9 | 12 | e17 | 14 | 23 | 30 | 33 | 15 | 4.6 | 1.1 |
3 | 0.44 | 1.5 | 5.0 | 12 | e34 | 13 | 19 | 31 | 24 | 48 | 4.2 | 0.96 |
4 | 0.40 | 1.0 | 5.1 | 992 | e25 | 221 | 15 | 14 | 19 | 18 | 4.7 | 0.91 |
5 | 0.39 | 1.0 | 5.4 | 272 | e19 | 287 | 13 | 9.8 | 15 | 15 | 4.5 | 0.83 |
6 | 0.36 | 1.7 | 4.9 | 52 | e15 | 64 | 11 | 7.6 | 12 | 193 | 2.5 | 0.94 |
7 | 0.34 | 1.9 | 4.4 | e38 | e12 | 39 | 11 | 6.0 | 10 | 60 | 2.0 | 0.89 |
8 | 0.36 | 1.3 | 4.4 | e31 | e10 | 29 | 9.3 | 5.2 | 9.1 | 14 | 1.7 | 0.71 |
9 | 0.62 | 1.0 | 4.9 | e27 | e13 | 24 | 7.9 | 4.5 | 12 | 8.8 | 1.5 | 0.69 |
10 | 0.96 | 0.93 | 6.5 | e24 | e24 | 19 | 7.7 | 4.0 | 16 | 6.9 | 1.5 | 0.74 |
11 | 0.59 | 0.94 | 5.3 | e22 | e60 | 16 | 8.1 | 3.7 | 13 | 5.9 | 1.3 | 0.75 |
12 | 0.55 | 0.97 | 4.0 | e20 | e50 | 13 | 7.1 | 3.5 | 15 | 5.4 | 1.2 | 0.82 |
13 | 0.49 | 0.76 | 3.8 | e20 | e28 | 12 | 6.7 | 352 | 10 | 5.0 | 1.2 | 0.85 |
14 | 0.78 | 0.76 | 4.3 | e21 | e25 | 12 | 6.6 | 719 | 7.7 | 4.1 | 1.1 | 0.97 |
15 | 1.1 | 0.97 | 4.7 | 20 | e22 | 11 | 6.4 | 102 | 8.1 | 3.6 | 1.0 | 3.4 |
16 | 0.87 | 1.1 | 5.5 | 19 | e20 | 11 | 6.4 | 50 | 292 | 3.4 | 0.97 | 5.6 |
17 | 2.6 | 7.8 | 4.7 | 58 | e19 | 11 | 5.9 | 37 | 101 | 3.2 | 0.92 | 1.7 |
18 | 1.7 | 1220 | 4.4 | 142 | e24 | 10 | 5.3 | 34 | 34 | 3.0 | 0.91 | 1.4 |
19 | 1.3 | 109 | 4.5 | 36 | e34 | 9.2 | 4.9 | 185 | 23 | 2.8 | 0.93 | 1.1 |
20 | 1.1 | 37 | 3.8 | e27 | 45 | 9.0 | 5.4 | 62 | 15 | 2.7 | 1.8 | 1.1 |
21 | 1.1 | 24 | 4.0 | e21 | 32 | 7.5 | 5.9 | 34 | 13 | 2.6 | 1.4 | 1.0 |
22 | 0.93 | 17 | 4.3 | e18 | 25 | 6.9 | 4.9 | 26 | 11 | 2.4 | 1.0 | 1.1 |
23 | 0.88 | 25 | 70 | e16 | 29 | 6.9 | 5.3 | 20 | 8.6 | 2.2 | 0.95 | 1.4 |
24 | 0.78 | 44 | 32 | e14 | 59 | 6.8 | 7.4 | 17 | 7.5 | 2.0 | 5.3 | 1.3 |
25 | 1.2 | 19 | 18 | e13 | 30 | 9.3 | 21 | 99 | 6.6 | 3.4 | 23 | 0.94 |
26 | 0.96 | 13 | 13 | e16 | 23 | 117 | 8.0 | 317 | 6.0 | 3.3 | 55 | 0.77 |
27 | 0.86 | 10 | 11 | e12 | 19 | 114 | 5.7 | 635 | 5.6 | 2.5 | 7.2 | 0.73 |
28 | 1.2 | 7.8 | 11 | e11 | 18 | 82 | 5.0 | 481 | 5.3 | 2.1 | 3.5 | 0.74 |
29 | 1.2 | 7.0 | 33 | e10 | 17 | 118 | 4.5 | 66 | 4.9 | 2.0 | 2.7 | 0.77 |
30 | 1.2 | 6.8 | 22 | e9.0 | --- | 48 | 17 | 77 | 4.6 | 223 | 1.9 | 0.79 |
31 | 1.2 | --- | 15 | e8.5 | --- | 34 | --- | 151 | --- | 24 | 1.5 | --- |
TOTAL | 27.43 | 1566.13 | 329.5 | 2005.5 | 756.0 | 1391.6 | 292.4 | 3655.3 | 809.0 | 691.7 | 148.78 | 36.20 |
MEAN | 0.88 | 52.2 | 10.6 | 64.7 | 26.1 | 44.9 | 9.75 | 118 | 27.0 | 22.3 | 4.80 | 1.21 |
MAX | 2.6 | 1220 | 70 | 992 | 60 | 287 | 28 | 719 | 292 | 223 | 55 | 5.6 |
MIN | 0.34 | 0.76 | 3.8 | 8.5 | 8.0 | 6.8 | 4.5 | 3.5 | 4.6 | 2.0 | 0.91 | 0.69 |
CFSM | 0.02 | 1.42 | 0.29 | 1.76 | 0.71 | 1.22 | 0.27 | 3.21 | 0.73 | 0.61 | 0.13 | 0.03 |
IN. | 0.03 | 1.59 | 0.33 | 2.03 | 0.77 | 1.41 | 0.30 | 3.71 | 0.82 | 0.70 | 0.15 | 0.04 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 7.50 | 19.0 | 26.2 | 31.0 | 36.4 | 41.0 | 45.9 | 41.7 | 30.9 | 20.0 | 12.0 | 7.53 |
MAX | 68.5 | 223 | 173 | 235 | 117 | 197 | 211 | 243 | 202 | 156 | 305 | 94.5 |
(WY) | 1970 | 1947 | 1968 | 1950 | 1951 | 1978 | 1944 | 1943 | 1957 | 1969 | 1946 | 1993 |
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.04 | 0.26 | 0.07 | 0.02 | 0.05 | 0.01 | 0.00 |
(WY) | 1954 | 1954 | 1954 | 1956 | 1954 | 1954 | 1954 | 1954 | 1955 | 1966 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1941 - 2004 | |||
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ANNUAL TOTAL | 6606.38 | 11709.54 | ||||
ANNUAL MEAN | 18.1 | 32.0 | 26.5 | |||
HIGHEST ANNUAL MEAN | 50.7 | 1969 | ||||
LOWEST ANNUAL MEAN | 1.39 | 1954 | ||||
HIGHEST DAILY MEAN | 1220 | Nov 18 | 1220 | Nov 18 | 4270 | Aug 15 1946 |
LOWEST DAILY MEAN | 0.34 | Aug 19, Oct. 7 | 0.34 | Oct 7 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 0.38 | Aug 19 | 0.39 | Oct 2 | 0.00 | Oct 11 1940 |
MAXIMUM PEAK FLOW | 1980 | Jan 4 | 9340 | Aug 15 1946 | ||
MAXIMUM PEAK STAGE | 12.68 | Jan 4 | 18.41 B | Aug 15 1946 | ||
INSTANTANEOUS LOW FLOW | 0.34 | Oct. 6-8 | ||||
ANNUAL RUNOFF (CFSM) | 0.493 | 0.872 | 0.723 | |||
ANNUAL RUNOFF (INCHES) | 6.70 | 11.87 | 9.82 | |||
10 PERCENT EXCEEDS | 29 | 53 | 42 | |||
50 PERCENT EXCEEDS | 4.6 | 7.5 | 3.7 | |||
90 PERCENT EXCEEDS | 0.57 | 0.93 | 0.02 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |