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 1994-2002. |
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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, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 0.35 | 1.9 | 76 | e2.0 | 1070 | e32 | 42 | 15 | 9.4 | 1.8 | 1.0 | 0.18 |
2 | 0.33 | 1.6 | 20 | e1.7 | 378 | 107 | 32 | 13 | 7.3 | 1.2 | 0.99 | 0.23 |
3 | 0.33 | 1.6 | 9.1 | e1.5 | 56 | 257 | 27 | 11 | 5.7 | 0.89 | 0.82 | 0.30 |
4 | 0.30 | 1.8 | 5.4 | e1.3 | 34 | 50 | 23 | 8.7 | 5.3 | 0.73 | 1.7 | 0.26 |
5 | 0.33 | 1.9 | 3.5 | e1.4 | 21 | 26 | 19 | 7.4 | 4.4 | 0.58 | 2.0 | 0.23 |
6 | 0.36 | 1.7 | 4.3 | e1.6 | 16 | 26 | 18 | 43 | 4.3 | 0.52 | 25 | 0.20 |
7 | 0.46 | 1.5 | 35 | e1.9 | 15 | 24 | 16 | 380 | 4.4 | 0.51 | 18 | 0.18 |
8 | 0.86 | 1.3 | 19 | e2.3 | 13 | 19 | 322 | 888 | 3.5 | 0.44 | 3.4 | 0.15 |
9 | 0.88 | 1.2 | 9.8 | e2.7 | 12 | 1180 | 219 | 1320 | 3.1 | 0.34 | 2.2 | 0.12 |
10 | 0.83 | 1.2 | 5.6 | 3.6 | 10 | 1190 | 53 | 515 | 3.0 | 0.24 | 1.2 | 0.09 |
11 | 1.0 | 1.2 | 3.4 | 4.0 | 8.6 | 145 | 32 | 59 | 3.6 | 0.18 | 0.78 | 0.08 |
12 | 4.3 | 1.1 | 4.4 | 3.9 | 7.7 | 76 | 105 | 43 | 31 | 0.30 | 0.63 | 0.08 |
13 | 5.5 | 1.1 | 148 | 3.4 | 6.6 | 69 | 364 | 1550 | 13 | 0.33 | 0.56 | 0.01 |
14 | 20 | 1.1 | 269 | 3.2 | 6.0 | 49 | 86 | 1450 | 5.5 | 1.1 | 0.52 | 0.00 |
15 | 15 | 1.2 | 214 | 3.0 | 5.4 | 40 | 68 | 190 | 3.6 | 1.1 | 0.52 | 0.00 |
16 | 10 | 1.2 | 424 | 2.8 | 5.3 | 178 | 33 | 47 | 2.8 | 0.57 | 0.77 | 0.00 |
17 | 21 | 1.3 | 1170 | 2.4 | 4.8 | 87 | 21 | 118 | 2.3 | 0.40 | 0.59 | 0.16 |
18 | 9.4 | 1.4 | 760 | 2.1 | 4.6 | 55 | 15 | 148 | 1.9 | 0.48 | 0.54 | 9.9 |
19 | 4.5 | 1.6 | 98 | 2.2 | 92 | 296 | 13 | 57 | 1.9 | 0.31 | 0.74 | 6.2 |
20 | 2.5 | 1.8 | 42 | 2.5 | 773 | 1070 | 14 | 31 | 1.8 | 0.74 | e5.0 | 2.4 |
21 | 2.1 | 1.6 | 24 | 3.0 | 202 | 371 | 35 | 20 | 1.4 | 1.3 | e2.5 | 5.5 |
22 | 1.9 | 1.5 | 16 | 2.6 | 50 | 72 | 110 | 16 | 1.2 | 0.72 | 1.1 | 4.7 |
23 | 2.2 | 1.5 | 14 | 2.7 | 29 | 46 | 35 | 13 | 1.1 | 0.46 | 0.83 | 1.5 |
24 | 5.0 | 2.7 | 14 | 3.7 | 20 | 38 | 16 | 11 | 1.1 | 0.32 | 0.67 | 0.74 |
25 | 89 | 19 | 11 | 8.5 | 16 | 570 | 20 | 11 | 0.86 | 0.26 | 0.51 | 0.46 |
26 | 36 | 8.7 | 8.3 | 7.4 | 26 | 629 | 15 | 11 | 0.79 | 0.24 | 0.42 | 0.35 |
27 | 12 | 4.2 | e6.0 | 4.8 | e22 | 201 | 127 | 9.1 | 0.91 | 0.29 | 0.43 | 0.31 |
28 | 6.4 | 3.2 | e4.5 | 3.5 | e18 | 79 | 214 | 8.2 | 1.1 | 1.0 | 0.40 | 0.25 |
29 | 4.0 | 9.7 | e3.6 | 3.0 | --- | 147 | 52 | 72 | 1.9 | 1.2 | 0.30 | 0.22 |
30 | 2.5 | 199 | e2.9 | 3.4 | --- | 166 | 22 | 28 | 3.1 | 1.0 | 0.25 | 0.21 |
31 | 2.0 | --- | e2.4 | 188 | --- | 65 | --- | 13 | --- | 0.87 | 0.20 | --- |
TOTAL | 261.33 | 279.8 | 3427.2 | 280.1 | 2922.0 | 7360 | 2168 | 7106.4 | 131.26 | 20.42 | 74.57 | 35.01 |
MEAN | 8.430 | 9.327 | 110.6 | 9.035 | 104.4 | 237.4 | 72.27 | 229.2 | 4.375 | 0.659 | 2.405 | 1.167 |
MAX | 89 | 199 | 1170 | 188 | 1070 | 1190 | 364 | 1550 | 31 | 1.8 | 25 | 9.9 |
MIN | 0.30 | 1.1 | 2.4 | 1.3 | 4.6 | 19 | 13 | 7.4 | 0.79 | 0.18 | 0.20 | 0.00 |
CFSM | 0.10 | 0.11 | 1.31 | 0.11 | 1.24 | 2.82 | 0.86 | 2.72 | 0.05 | 0.01 | 0.03 | 0.01 |
IN. | 0.12 | 0.12 | 1.51 | 0.12 | 1.29 | 3.25 | 0.96 | 3.14 | 0.06 | 0.01 | 0.03 | 0.02 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 21.68 | 76.80 | 89.27 | 89.45 | 112.7 | 139.9 | 135.2 | 87.40 | 56.87 | 45.54 | 9.689 | 14.17 |
MAX | 143 | 600 | 485 | 244 | 407 | 381 | 542 | 910 | 345 | 413 | 56.3 | 254 |
(WY) | 1970 | 1986 | 1983 | 1969 | 1982 | 1979 | 1996 | 1995 | 2000 | 1969 | 1998 | 1993 |
MIN | 0.17 | 0.19 | 0.52 | 0.084 | 1.59 | 1.25 | 1.48 | 1.43 | 0.34 | 0.61 | 0.038 | 0.16 |
(WY) | 1969 | 1981 | 1990 | 1977 | 1978 | 1981 | 1981 | 1976 | 1988 | 1984 | 1984 | 1985 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1968 - 2002 | |||
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ANNUAL TOTAL | 12991.69 | 24066.09 | ||||
ANNUAL MEAN | 35.59 | 65.93 | 72.95 | |||
HIGHEST ANNUAL MEAN | 132 | 1985 | ||||
LOWEST ANNUAL MEAN | 8.83 | 1976 | ||||
HIGHEST DAILY MEAN | 1170 | Dec 17 | 1550 | May 13 | 8070 | May 17 1995 |
LOWEST DAILY MEAN | 0.30 | Oct 4 | 0.00 | Sep 14-16 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 0.33 | Sep 29 | 0.04 | Sep 10 | 0.00 | Nov 22 1967 |
MAXIMUM PEAK FLOW | 2750 | May 13 | 11900 | May 17 1995 | ||
MAXIMUM PEAK STAGE | 17.59 | May 13 | 21.76 | May 17 1995 | ||
ANNUAL RUNOFF (CFSM) | 0.42 | 0.78 | 0.87 | |||
ANNUAL RUNOFF (INCHES) | 5.73 | 10.62 | 11.76 | |||
10 PERCENT EXCEEDS | 55 | 146 | 121 | |||
50 PERCENT EXCEEDS | 4.4 | 4.3 | 4.7 | |||
90 PERCENT EXCEEDS | 0.84 | 0.33 | 0.31 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |