LOCATION.-- Lat 37°28'20", long 88°32'50" (NAD of 1927), in NW1/4SE1/4 sec.16, T.12 S., R.6 E., Pope County, Hydrologic Unit 05140203, on left bank at upstream side of bridge on County Highway 5, 2.8 mi southeast of Eddyville and at mile 17.7. |
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DRAINAGE AREA.-- 42.9 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1967 to current year. |
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STAGE: Water years 1994 to current year. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1979-91. Additional chemical data for water years 1961, 1964, 1969-77 are published in Water-Resources Investigations 78-24 and 79-25 as site AK 02. |
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SEDIMENT: January 1980 to September 1981. |
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SPECIFIC CONDUCTANCE: Water years 1980-81. |
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WATER TEMPERATURE: Water years 1980-81. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 360.42 ft above NGVD of 1929. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 16,100 ft3/s, Aug. 24, 1985, from rating curve extended above 23.5 ft, based on contracted-opening measurement, gage height, 27.78 ft; no flow for several days in most years. |
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SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 299 mg/L May 18, 1981; minimum daily mean, 0 mg/L on many days each year. |
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SUSPENDED-SEDIMENT LOADS: Maximum daily, 2,340 tons May 18, 1981; minimum daily, 0 ton on many days each year. |
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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 | 0.55 | 0.73 | 25 | 55 | e15 | 27 | 34 | 22 | 23 | 0.95 | 0.86 | 1.2 |
2 | 0.47 | 0.64 | 19 | 378 | e71 | 42 | 29 | 28 | 12 | 0.87 | 0.79 | 1.0 |
3 | 0.50 | 0.65 | 16 | 237 | e200 | 103 | 25 | 163 | 7.8 | 0.92 | 0.73 | 1.0 |
4 | 0.49 | 0.55 | 16 | 432 | 104 | 808 | 21 | 94 | 6.0 | 1.1 | 0.75 | 0.99 |
5 | 0.45 | 0.57 | 17 | 457 | 146 | 335 | 18 | 43 | 4.8 | 1.2 | 0.87 | 0.90 |
6 | 0.41 | 0.87 | 18 | 168 | 357 | 230 | 16 | 28 | 4.6 | 2.0 | 0.87 | 0.82 |
7 | 0.39 | 0.92 | 16 | 75 | 200 | 130 | 15 | 20 | 4.0 | 3.4 | 0.76 | 0.72 |
8 | 0.37 | 0.90 | 14 | 49 | 89 | 76 | 14 | 15 | 3.5 | 4.4 | 0.70 | 0.62 |
9 | 0.35 | 0.79 | 14 | 37 | 66 | 58 | 13 | 12 | 3.2 | 2.9 | 0.66 | 0.52 |
10 | 0.32 | 0.76 | 15 | 29 | 67 | 45 | 12 | 11 | 2.7 | 2.1 | 0.61 | 0.46 |
11 | 0.31 | 0.78 | 17 | 25 | 70 | 38 | 11 | 11 | 2.5 | 1.6 | 0.56 | 0.41 |
12 | 0.27 | 1.1 | 16 | 22 | 55 | 33 | 10 | 8.3 | 2.7 | 1.4 | 0.52 | 0.33 |
13 | 0.28 | 1.3 | 14 | 20 | 42 | 29 | 9.7 | 7.2 | 3.5 | 1.4 | 0.49 | 0.29 |
14 | 0.36 | 2.1 | 14 | 18 | 35 | 27 | 10 | 6.6 | 3.2 | 1.3 | 0.41 | 0.26 |
15 | 0.28 | 4.1 | 13 | 17 | 30 | 24 | 11 | 6.7 | 2.8 | 1.1 | 0.34 | 0.22 |
16 | 0.24 | 5.7 | 14 | 15 | 24 | 28 | 10 | 6.2 | 3.7 | 1.1 | 0.29 | 0.21 |
17 | 0.42 | 7.9 | 14 | 16 | 21 | 30 | 10 | 6.3 | 3.3 | 1.1 | 0.24 | 0.19 |
18 | 0.40 | 127 | 14 | 340 | 20 | 36 | 10 | 6.0 | 2.9 | 0.97 | 0.21 | 0.14 |
19 | 0.40 | 338 | 14 | 155 | 19 | 37 | 9.6 | 5.7 | 2.4 | 0.83 | 0.18 | 0.09 |
20 | 0.44 | 59 | 14 | 61 | 19 | 189 | 10 | 4.9 | 2.1 | 0.73 | 0.21 | 0.09 |
21 | 0.45 | 27 | 13 | 40 | 17 | 227 | 10 | 4.2 | 1.7 | 0.69 | 0.21 | 0.05 |
22 | 0.50 | 18 | 14 | 32 | 16 | 96 | 62 | 3.6 | 2.1 | 1.5 | 0.19 | 0.02 |
23 | 0.39 | 26 | 40 | 25 | 14 | 61 | 425 | 3.1 | 1.9 | 2.1 | 0.18 | 0.00 |
24 | 0.33 | 338 | 51 | 22 | 14 | 47 | 178 | 2.7 | 1.6 | 1.3 | 0.26 | 0.03 |
25 | 0.36 | 68 | 35 | 26 | 14 | 39 | 193 | 2.5 | 1.4 | 1.0 | 1.8 | 0.04 |
26 | 0.56 | 32 | 27 | 58 | 13 | 34 | 90 | 3.3 | 1.3 | 0.98 | 4.5 | 0.00 |
27 | 0.57 | 43 | 24 | 119 | 12 | 32 | 41 | 14 | 1.2 | 0.92 | 2.8 | 0.00 |
28 | 0.64 | 365 | 22 | 51 | 12 | 30 | 26 | 9.9 | 1.1 | 0.79 | 2.9 | 0.00 |
29 | 0.66 | 105 | 234 | e35 | 11 | 37 | 19 | 6.9 | 1.0 | 0.77 | 2.3 | 0.00 |
30 | 0.63 | 42 | 232 | e20 | --- | 49 | 17 | 6.4 | 1.0 | 0.89 | 1.8 | 0.00 |
31 | 0.68 | --- | 94 | e17 | --- | 40 | --- | 55 | --- | 0.92 | 1.5 | --- |
TOTAL | 13.47 | 1618.36 | 1100 | 3051 | 1773 | 3017 | 1359.3 | 616.5 | 115.00 | 43.23 | 29.49 | 10.60 |
MEAN | 0.43 | 53.9 | 35.5 | 98.4 | 61.1 | 97.3 | 45.3 | 19.9 | 3.83 | 1.39 | 0.95 | 0.35 |
MAX | 0.68 | 365 | 234 | 457 | 357 | 808 | 425 | 163 | 23 | 4.4 | 4.5 | 1.2 |
MIN | 0.24 | 0.55 | 13 | 15 | 11 | 24 | 9.6 | 2.5 | 1.0 | 0.69 | 0.18 | 0.00 |
CFSM | 0.01 | 1.26 | 0.83 | 2.29 | 1.43 | 2.27 | 1.06 | 0.46 | 0.09 | 0.03 | 0.02 | 0.01 |
IN. | 0.01 | 1.40 | 0.95 | 2.65 | 1.54 | 2.62 | 1.18 | 0.53 | 0.10 | 0.04 | 0.03 | 0.01 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 7.16 | 48.2 | 86.7 | 84.5 | 101 | 128 | 118 | 89.3 | 33.8 | 14.7 | 10.1 | 5.46 |
MAX | 59.5 | 216 | 377 | 265 | 287 | 306 | 408 | 324 | 153 | 89.9 | 174 | 75.0 |
(WY) | 2002 | 1986 | 1983 | 1969 | 1989 | 1979 | 1983 | 2003 | 1970 | 1989 | 1985 | 1985 |
MIN | 0.00 | 0.01 | 0.14 | 0.77 | 5.31 | 28.2 | 20.6 | 4.05 | 0.22 | 0.14 | 0.01 | 0.00 |
(WY) | 1988 | 2000 | 1977 | 1981 | 1996 | 1981 | 1986 | 1988 | 1988 | 1978 | 2002 | 1999 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1968 - 2004 | |||
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ANNUAL TOTAL | 30016.14 | 12746.95 | ||||
ANNUAL MEAN | 82.2 | 34.8 | 60.5 | |||
HIGHEST ANNUAL MEAN | 120 | 2002 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 1600 A | May 11 | 808 | Mar 4 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | 0.24 | Oct 16 | 0.00 | Several days | 0.00 | B |
ANNUAL SEVEN-DAY MINIMUM | 0.29 | Oct 10 | 0.01 | Sep 23 | 0.00 | Aug 25 1968 |
MAXIMUM PEAK FLOW | 1520 | Mar 4 | 16100 C | Aug 24 1985 | ||
MAXIMUM PEAK STAGE | 8.17 | Mar 4 | 27.78 | Aug 24 1985 | ||
ANNUAL RUNOFF (CFSM) | 1.92 | 0.812 | 1.41 | |||
ANNUAL RUNOFF (INCHES) | 26.03 | 11.05 | 19.15 | |||
10 PERCENT EXCEEDS | 221 | 80 | 121 | |||
50 PERCENT EXCEEDS | 21 | 7.9 | 9.6 | |||
90 PERCENT EXCEEDS | 0.45 | 0.35 | 0.10 |
C - From rating curve extended above 23.5 ft, based on contracted-opening measurement. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |