LOCATION.-- Lat 38°26'30", long 89°25'00" (NAD of 1927), in center of sec.15, T.1 S., R.3 W., Washington County, Hydrologic Unit 07140202, on right bank at upstream side of bridge on State Highway 177, 2.5 mi west of New Minden, 7.0 mi northwest of Nashville, and at mile 10.6. |
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DRAINAGE AREA.-- 84.3 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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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 414.12 ft above NGVD of 1929. Prior to July 2, 1973, nonrecording gage at same site and datum. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 11,900 ft3/s, May 17, 1995, gage height, 21.76 ft; no flow at times in most years. |
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REMARKS FOR CURRENT YEAR.-- Records good 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 | 0.73 | 2.4 | 2.2 | 22 | e2.3 | 7.6 | 29 | 67 | 253 | 1.8 | 5.6 | 11 |
2 | 0.61 | 2.5 | 1.8 | 14 | 134 | 19 | 22 | 67 | 34 | 16 | 2.7 | 7.5 |
3 | 0.91 | 2.5 | 1.6 | 12 | 442 | 21 | 17 | 19 | 17 | 4.3 | 1.9 | 5.5 |
4 | 0.69 | 2.6 | 1.6 | 384 | 94 | 624 | 13 | 9.4 | 11 | 14 | 1.5 | 123 |
5 | 0.53 | 2.6 | 2.4 | 673 | 35 | 972 | 9.3 | 6.5 | 7.8 | 306 | 1.2 | 12 |
6 | 0.55 | 2.4 | 3.3 | 80 | e18 | 208 | 7.6 | 5.4 | 6.4 | 609 | 1.2 | 5.5 |
7 | 0.52 | 2.4 | 3.3 | 22 | e11 | 54 | 7.4 | 4.5 | 5.8 | 93 | 1.2 | 4.5 |
8 | 0.49 | 2.3 | 2.8 | e12 | e8.0 | 27 | 7.1 | 3.8 | 5.2 | 19 | 0.97 | 4.0 |
9 | 0.46 | 2.2 | 2.8 | e9.4 | e9.5 | 18 | 6.3 | 3.3 | 4.7 | 8.3 | 0.84 | 3.1 |
10 | 0.45 | 2.0 | 3.4 | e8.0 | e15 | 14 | 5.8 | 3.0 | 4.1 | 5.1 | 0.77 | 2.5 |
11 | 0.48 | 1.9 | 5.1 | e6.7 | e24 | 11 | 5.1 | 2.5 | 4.0 | 3.6 | 0.71 | 2.3 |
12 | 0.47 | 1.9 | 4.1 | e6.0 | e18 | 9.2 | 4.9 | 2.1 | 34 | 2.7 | 0.66 | 2.0 |
13 | 0.42 | 1.8 | 3.1 | e5.4 | e9.5 | 7.8 | 4.4 | 2.3 | 24 | 2.5 | 0.63 | 1.6 |
14 | 0.54 | 2.6 | 3.1 | e4.8 | e7.5 | 7.3 | 4.1 | 4.2 | 5.5 | 2.4 | 0.61 | 1.2 |
15 | 0.63 | 2.8 | 3.0 | e4.5 | e6.0 | 7.0 | 3.8 | 9.1 | 3.3 | 3.0 | 0.59 | 1.0 |
16 | 0.88 | 2.7 | 3.1 | e4.2 | e5.0 | 7.1 | 3.4 | 4.7 | 3.2 | 2.3 | 0.57 | 1.2 |
17 | 1.3 | 3.5 | 3.0 | 177 | e4.5 | 9.0 | 3.9 | 3.8 | 5.4 | 128 | 0.56 | 1.0 |
18 | 2.0 | 499 | 2.9 | 840 | e4.7 | 7.8 | 3.5 | 3.2 | 4.5 | 10 | 0.52 | 0.90 |
19 | 2.2 | 937 | 2.6 | 155 | e5.5 | 7.2 | 3.4 | 12 | 3.4 | 3.1 | 0.66 | 0.99 |
20 | 1.5 | 120 | 2.3 | 30 | e10 | 6.6 | 3.5 | 8.1 | 2.6 | 1.7 | 3.2 | 0.91 |
21 | 1.2 | 21 | 2.2 | e14 | 24 | 12 | 4.1 | 5.4 | 2.3 | 1.2 | 9.4 | 0.74 |
22 | 1.4 | 9.3 | 2.2 | e10 | 20 | 7.4 | 4.6 | 3.8 | 2.2 | 1.0 | 5.1 | 0.63 |
23 | 1.4 | 31 | 186 | e8.0 | 14 | 5.9 | 6.4 | 2.9 | 2.0 | 1.0 | 4.1 | 0.55 |
24 | 1.3 | 323 | 120 | e6.5 | 11 | 5.7 | 7.8 | 2.4 | 1.9 | 3.2 | 63 | 0.59 |
25 | 1.4 | 58 | 26 | e5.5 | 10 | 6.4 | 26 | 181 | 2.0 | 3.4 | 82 | 0.61 |
26 | 1.5 | 15 | 10 | e5.8 | 8.8 | 186 | 16 | 1820 | 2.0 | 9.4 | 1170 | 0.60 |
27 | 1.5 | 7.0 | 6.1 | e4.8 | 7.4 | 828 | 8.2 | 1410 | 1.9 | 3.2 | 490 | 0.54 |
28 | 1.7 | 4.5 | 5.0 | e4.0 | 6.4 | 279 | 5.5 | 1150 | 1.9 | 1.8 | 218 | 0.49 |
29 | 1.6 | 3.4 | 775 | e3.4 | 5.7 | 268 | 4.7 | 228 | 1.6 | 1.3 | 1280 | 0.48 |
30 | 1.7 | 2.7 | 404 | e3.0 | --- | 104 | 4.4 | 215 | 1.6 | 1.6 | 375 | 0.50 |
31 | 2.1 | --- | 54 | e2.6 | --- | 49 | --- | 976 | --- | 18 | 24 | --- |
TOTAL | 33.16 | 2072.0 | 1648.0 | 2537.6 | 970.8 | 3796.0 | 252.2 | 6235.4 | 458.3 | 1280.9 | 3747.19 | 197.43 |
MEAN | 1.07 | 69.1 | 53.2 | 81.9 | 33.5 | 122 | 8.41 | 201 | 15.3 | 41.3 | 121 | 6.58 |
MAX | 2.2 | 937 | 775 | 840 | 442 | 972 | 29 | 1820 | 253 | 609 | 1280 | 123 |
MIN | 0.42 | 1.8 | 1.6 | 2.6 | 2.3 | 5.7 | 3.4 | 2.1 | 1.6 | 1.0 | 0.52 | 0.48 |
CFSM | 0.01 | 0.82 | 0.63 | 0.97 | 0.40 | 1.45 | 0.10 | 2.39 | 0.18 | 0.49 | 1.43 | 0.08 |
IN. | 0.01 | 0.91 | 0.73 | 1.12 | 0.43 | 1.68 | 0.11 | 2.75 | 0.20 | 0.57 | 1.65 | 0.09 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 20.8 | 74.6 | 86.3 | 87.1 | 110 | 137 | 129 | 94.8 | 59.6 | 44.7 | 13.4 | 13.9 |
MAX | 143 | 600 | 485 | 244 | 407 | 381 | 542 | 910 | 345 | 413 | 121 | 254 |
(WY) | 1970 | 1986 | 1983 | 1969 | 1982 | 1979 | 1996 | 1995 | 2000 | 1969 | 2004 | 1993 |
MIN | 0.17 | 0.19 | 0.52 | 0.08 | 1.59 | 1.25 | 1.48 | 1.43 | 0.34 | 0.61 | 0.04 | 0.17 |
(WY) | 1969 | 1981 | 1990 | 1977 | 1978 | 1981 | 1981 | 1976 | 1988 | 1984 | 1984 | 1985 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1968 - 2004 | |||
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ANNUAL TOTAL | 25813.15 | 23228.98 | ||||
ANNUAL MEAN | 70.7 | 63.5 | 72.4 | |||
HIGHEST ANNUAL MEAN | 132 | 1985 | ||||
LOWEST ANNUAL MEAN | 8.83 | 1976 | ||||
HIGHEST DAILY MEAN | 1580 | May 7 | 1820 | May 26 | 8070 | May 17 1995 |
LOWEST DAILY MEAN | 0.42 | Oct 13 | 0.42 | Oct 13 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 0.47 | Oct 7 | 0.47 | Oct 7 | 0.00 | Nov 22 1967 |
MAXIMUM PEAK FLOW | 2330 | May 26 | 11900 | May 17 1995 | ||
MAXIMUM PEAK STAGE | 16.95 | May 26 | 21.76 | May 17 1995 | ||
INSTANTANEOUS LOW FLOW | 0.37 | Oct 14 | ||||
ANNUAL RUNOFF (CFSM) | 0.839 | 0.753 | 0.859 | |||
ANNUAL RUNOFF (INCHES) | 11.39 | 10.25 | 11.67 | |||
10 PERCENT EXCEEDS | 186 | 124 | 121 | |||
50 PERCENT EXCEEDS | 4.7 | 4.6 | 4.7 | |||
90 PERCENT EXCEEDS | 0.94 | 0.89 | 0.33 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |