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 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 2.8 | 23 | 6.7 | 908 | e21 | 152 | 44 | 39 | e27 | 2.5 | 0.35 | 3.8 |
2 | 1.9 | 18 | 6.0 | 259 | e22 | 190 | 36 | 170 | e24 | 2.2 | 149 | 14 |
3 | 1.5 | 16 | 6.0 | 202 | 26 | 171 | 29 | 107 | e250 | 2.0 | 32 | 229 |
4 | 2.4 | 15 | 6.8 | e150 | 35 | 141 | 27 | 517 | e100 | 1.7 | 6.4 | 47 |
5 | 2.9 | 34 | 7.8 | e120 | 30 | 113 | 114 | 1540 | e64 | 1.5 | 3.2 | 4.7 |
6 | 3.4 | 62 | 8.6 | e100 | 25 | 86 | 86 | 624 | e45 | 1.3 | 2.1 | 2.1 |
7 | 3.4 | 36 | 8.4 | e90 | e21 | 71 | 292 | 1570 | e37 | 1.2 | 1.7 | 2.3 |
8 | 3.2 | 26 | 7.4 | e76 | e19 | 59 | 154 | 276 | e32 | 1.1 | 1.3 | 2.1 |
9 | 3.0 | 22 | 6.3 | e65 | e18 | 49 | 90 | 198 | e27 | 1.1 | 0.98 | 2.0 |
10 | 6.2 | 1150 | 7.2 | e58 | e20 | 42 | 74 | 287 | e24 | 0.91 | 0.88 | 1.8 |
11 | 14 | 332 | 11 | 53 | e21 | 39 | 54 | e1600 | e700 | 0.85 | 0.97 | 1.4 |
12 | 11 | 178 | 17 | 49 | e23 | 39 | 43 | e250 | 595 | 0.85 | 0.90 | 1.2 |
13 | 7.8 | 129 | 77 | 45 | e25 | 39 | 34 | 167 | 314 | 0.76 | 0.87 | 0.98 |
14 | 5.4 | 93 | 219 | 36 | 216 | 38 | 26 | 91 | e210 | 0.66 | 0.87 | 1.0 |
15 | 4.3 | 87 | 165 | e34 | 694 | 35 | 22 | 63 | e120 | 0.63 | 0.79 | 0.83 |
16 | 3.5 | 90 | 90 | e32 | 447 | 32 | 19 | 55 | e70 | 0.67 | 0.73 | 0.62 |
17 | 3.0 | 72 | 60 | e28 | 198 | 30 | 161 | 235 | e45 | 0.72 | 0.68 | 0.52 |
18 | 2.8 | 58 | 109 | e27 | 163 | 29 | 82 | 233 | e30 | 0.76 | 0.61 | 0.49 |
19 | 3.0 | 47 | 1390 | e26 | 758 | 191 | 49 | 154 | e24 | 0.82 | 0.57 | 0.45 |
20 | 2.8 | 38 | 321 | e25 | 404 | 193 | 40 | 516 | e18 | 0.81 | 0.51 | 0.35 |
21 | 2.3 | 32 | 174 | e23 | 304 | 244 | 53 | 301 | e14 | 0.79 | 0.45 | 0.33 |
22 | 2.0 | 25 | 123 | e22 | 1120 | 171 | 37 | 193 | e11 | 0.74 | 0.46 | 0.73 |
23 | 1.8 | 21 | 94 | e21 | 427 | 132 | 27 | 110 | e9.0 | 0.67 | 0.45 | 0.66 |
24 | 1.7 | 18 | 146 | e20 | 238 | 94 | 29 | 73 | e7.0 | 0.57 | 0.39 | 0.61 |
25 | 4.9 | 16 | 180 | e18 | e190 | 73 | 332 | 174 | e6.5 | 0.52 | 0.36 | 0.57 |
26 | 35 | 14 | 147 | e17 | 163 | 73 | 279 | 205 | e20 | 0.58 | 0.37 | 0.49 |
27 | 17 | 12 | 114 | e17 | 138 | 65 | 112 | 107 | e10 | 0.45 | 0.36 | 0.72 |
28 | 18 | 9.9 | 94 | e20 | 125 | 55 | 55 | e64 | e6.0 | 0.36 | 0.36 | 0.60 |
29 | 147 | 9.2 | 141 | e23 | --- | 85 | 37 | e47 | e4.2 | 0.31 | 0.44 | 0.52 |
30 | 92 | 8.0 | 164 | e21 | --- | 80 | 32 | e37 | e3.0 | 0.30 | 3.1 | 0.51 |
31 | 38 | --- | 932 | e20 | --- | 58 | --- | e31 | --- | 0.35 | 6.4 | --- |
TOTAL | 448.0 | 2691.1 | 4839.2 | 2605 | 5891 | 2869 | 2469 | 10034 | 2846.7 | 28.68 | 218.55 | 322.38 |
MEAN | 14.5 | 89.7 | 156 | 84.0 | 210 | 92.5 | 82.3 | 324 | 94.9 | 0.93 | 7.05 | 10.7 |
MAX | 147 | 1150 | 1390 | 908 | 1120 | 244 | 332 | 1600 | 700 | 2.5 | 149 | 229 |
MIN | 1.5 | 8.0 | 6.0 | 17 | 18 | 29 | 19 | 31 | 3.0 | 0.30 | 0.35 | 0.33 |
CFSM | 0.34 | 2.09 | 3.64 | 1.96 | 4.90 | 2.16 | 1.92 | 7.54 | 2.21 | 0.02 | 0.16 | 0.25 |
IN. | 0.39 | 2.33 | 4.20 | 2.26 | 5.11 | 2.49 | 2.14 | 8.70 | 2.47 | 0.02 | 0.19 | 0.28 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2003, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 7.34 | 48.0 | 88.1 | 84.1 | 102 | 129 | 120 | 91.3 | 34.6 | 15.1 | 10.4 | 5.61 |
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 | 0.000 | 0.013 | 0.14 | 0.77 | 5.31 | 28.2 | 20.6 | 4.05 | 0.22 | 0.14 | 0.012 | 0.000 |
(WY) | 1988 | 2000 | 1977 | 1981 | 1996 | 1981 | 1986 | 1988 | 1988 | 1978 | 2002 | 1999 |
SUMMARY STATISTICS | FOR 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1968 - 2003 | |||
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ANNUAL TOTAL | 36324.80 | 35262.61 | ||||
ANNUAL MEAN | 99.5 | 96.6 | 61.2 | |||
HIGHEST ANNUAL MEAN | 120 | 2002 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 2170 | May 13 | 1600 A | May 11 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | 0.00 | many days | 0.30 | Jul 30 | 0.00 | B |
ANNUAL SEVEN-DAY MINIMUM | 0.00 | Aug 2 | 0.39 | Jul 26 | 0.00 | Aug 25 1968 |
MAXIMUM PEAK FLOW | 6950 | May 11 | 16100 C | Aug 24 1985 | ||
MAXIMUM PEAK STAGE | 19.13 | May 11 | 27.78 | Aug 24 1985 | ||
INSTANTANEOUS LOW FLOW | 0.27 | Sep 21 | ||||
ANNUAL RUNOFF (CFSM) | 2.32 | 2.25 | 1.43 | |||
ANNUAL RUNOFF (INCHES) | 31.50 | 30.58 | 19.38 | |||
10 PERCENT EXCEEDS | 216 | 223 | 122 | |||
50 PERCENT EXCEEDS | 21 | 26 | 9.6 | |||
90 PERCENT EXCEEDS | 0.00 | 0.67 | 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 |