LOCATION.-- Lat 39°30'24", long 88°31'39" (NAD of 1927), in SE1/4SE1/4 sec.4, T.12 N., R.6 E., Moultrie County, Hydrologic Unit 07140201, on left downstream side of bridge on County Highway 3 (1500 E), 3.3 mi south of Allenville, and at mile 5.8. |
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DRAINAGE AREA.-- 34.6 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: February 1980 to current year. |
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STAGE: Water years 1994 to current year. Gage-height record for January 1963 to February 1980 available in files of U.S. Army Corps of Engineers. |
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REVISED RECORDS.-- WDR IL-81-1: 1980. |
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GAGE.-- Water-stage recorder and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 617.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISHCARGE AND STAGE: Maximum discharge, 3,260 ft3/s, May 12, 2002, gage height, 13.38 ft, from rating curve extended above 1,890 ft3/s; no flow for many days in most years. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Flood of July 1971 reached a stage of 13.67 ft, discharge not determined, from U.S. Army Corps of Engineers. |
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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 | 3.3 | e15 | 25 | 66 | e17 | 24 | 94 | e30 | 28 | 5.0 | 1.6 | 31 |
2 | 2.1 | e15 | 23 | 58 | e18 | 21 | 67 | e47 | 22 | 4.3 | 1.3 | 20 |
3 | 1.7 | e16 | 23 | 64 | e16 | 17 | 53 | 30 | 18 | 4.1 | 1.2 | 15 |
4 | 1.4 | e18 | 24 | 893 | e14 | 129 | 41 | 24 | 16 | 4.7 | 1.0 | 12 |
5 | 1.3 | e22 | 24 | 652 | e13 | 343 | 35 | 21 | 15 | 9.8 | 0.84 | 9.5 |
6 | 1.2 | 25 | 21 | 174 | e13 | 157 | 33 | 18 | 15 | e7.0 | 0.75 | 8.2 |
7 | 1.1 | 22 | 20 | 94 | e12 | 93 | 31 | 16 | 13 | e8.0 | 0.67 | 6.9 |
8 | 1.0 | 22 | 21 | 66 | e12 | 64 | 28 | 15 | 12 | e6.0 | 0.64 | 5.7 |
9 | 1.00 | 21 | 21 | 50 | e11 | 51 | 24 | 15 | 11 | e5.0 | 0.65 | 4.8 |
10 | 1.1 | 20 | 25 | 38 | e11 | 41 | 22 | 14 | 11 | e9.0 | 0.65 | 4.1 |
11 | 1.5 | 21 | 23 | 36 | e10 | 38 | 21 | 13 | 12 | e15 | 0.53 | 3.6 |
12 | 2.1 | 22 | 20 | 37 | e10 | 32 | 20 | 13 | 10 | e30 | 0.46 | 3.2 |
13 | 2.9 | 21 | 20 | 31 | e10 | 29 | 19 | 14 | 9.0 | e20 | 0.35 | 2.8 |
14 | 20 | 21 | 21 | 31 | e10 | 28 | 18 | 17 | 8.0 | 42 | 0.27 | 2.7 |
15 | 39 | 21 | 20 | 28 | e10 | 26 | 17 | 23 | 7.6 | e25 | 0.23 | 2.7 |
16 | 25 | 22 | 20 | 24 | e10 | 27 | 17 | 19 | 140 | e15 | 0.17 | 2.8 |
17 | 18 | 23 | 17 | 58 | e12 | 25 | 16 | 17 | 106 | e9.0 | 0.13 | 2.4 |
18 | 16 | 166 | 18 | 169 | e25 | 23 | 15 | 16 | 69 | e5.0 | 0.95 | 2.3 |
19 | 15 | 176 | 16 | 84 | 64 | 20 | 15 | 16 | 41 | e3.5 | 0.49 | 1.9 |
20 | 14 | 90 | 15 | 54 | 77 | 22 | 16 | 15 | 29 | 2.7 | 1.5 | 1.6 |
21 | 14 | 60 | 15 | 43 | 50 | 19 | 17 | 13 | 24 | 2.3 | 1.00 | 1.4 |
22 | e15 | 45 | 16 | 33 | 32 | 18 | 14 | 13 | 20 | 2.5 | 0.71 | 1.3 |
23 | e15 | 59 | 216 | 44 | 35 | 19 | 13 | 14 | 16 | 2.0 | 0.55 | 1.2 |
24 | e13 | 167 | 157 | 27 | 42 | 19 | 12 | 46 | 14 | 1.6 | 0.72 | 1.0 |
25 | e13 | 89 | 86 | 26 | 35 | 19 | 15 | 69 | 11 | 2.0 | 4.1 | 1.1 |
26 | e14 | 62 | 60 | 43 | 29 | 124 | 12 | 48 | 10 | 2.0 | 29 | 0.96 |
27 | e13 | 48 | 50 | 21 | 24 | 159 | 11 | 42 | 8.6 | 1.6 | 9.4 | 0.87 |
28 | e12 | 39 | 46 | 19 | 21 | 89 | 11 | 44 | 7.7 | 1.3 | 285 | 0.95 |
29 | e14 | 34 | 255 | 19 | 21 | 108 | 10 | 32 | 6.6 | 1.2 | 741 | 0.90 |
30 | e16 | 32 | 149 | e18 | --- | 220 | 10 | 47 | 5.7 | 2.2 | 94 | 0.90 |
31 | e15 | --- | 88 | e18 | --- | 155 | --- | 37 | --- | 2.2 | 51 | --- |
TOTAL | 322.70 | 1414 | 1555 | 3018 | 664 | 2159 | 727 | 798 | 716.2 | 251.0 | 1230.86 | 153.78 |
MEAN | 10.4 | 47.1 | 50.2 | 97.4 | 22.9 | 69.6 | 24.2 | 25.7 | 23.9 | 8.10 | 39.7 | 5.13 |
MAX | 39 | 176 | 255 | 893 | 77 | 343 | 94 | 69 | 140 | 42 | 741 | 31 |
MIN | 1.0 | 15 | 15 | 18 | 10 | 17 | 10 | 13 | 5.7 | 1.2 | 0.13 | 0.87 |
CFSM | 0.30 | 1.36 | 1.45 | 2.81 | 0.66 | 2.01 | 0.70 | 0.74 | 0.69 | 0.23 | 1.15 | 0.15 |
IN. | 0.35 | 1.52 | 1.67 | 3.24 | 0.71 | 2.32 | 0.78 | 0.86 | 0.77 | 0.27 | 1.32 | 0.17 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2004, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 13.7 | 33.0 | 37.3 | 37.9 | 45.3 | 46.1 | 51.1 | 52.4 | 35.1 | 11.5 | 4.59 | 6.29 |
MAX | 88.0 | 235 | 131 | 122 | 124 | 117 | 146 | 227 | 102 | 39.8 | 39.7 | 54.2 |
(WY) | 2001 | 1993 | 1983 | 1993 | 1982 | 1998 | 1994 | 2002 | 1998 | 2000 | 2004 | 1993 |
MIN | 0.00 | 0.00 | 0.13 | 0.19 | 0.78 | 1.70 | 0.85 | 8.19 | 1.27 | 0.03 | 0.00 | 0.00 |
(WY) | 1989 | 2000 | 2000 | 1981 | 2003 | 2003 | 2003 | 2000 | 1991 | 1991 | 1984 | 1983 |
SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1980 - 2004 | |||
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ANNUAL TOTAL | 5151.15 | 13009.54 | ||||
ANNUAL MEAN | 14.1 | 35.5 | 31.2 | |||
HIGHEST ANNUAL MEAN | 61.0 | 2002 | ||||
LOWEST ANNUAL MEAN | 5.12 | 2003 | ||||
HIGHEST DAILY MEAN | 267 | May 10 | 893 | Jan 4 | 1680 | May 16 1990 |
LOWEST DAILY MEAN | 0.00 | A | 0.13 | Aug 17 | 0.00 | B |
ANNUAL SEVEN-DAY MINIMUM | 0.00 | Aug 16 | 0.31 | Aug 11 | 0.00 | B |
MAXIMUM PEAK FLOW | 3060 | Aug 29 | 3260 C | May 12 2002 | ||
MAXIMUM PEAK STAGE | 13.20 | Aug 29 | 13.38 | May 12 2002 | ||
INSTANTANEOUS LOW FLOW | 0.11 | Aug 17 | ||||
ANNUAL RUNOFF (CFSM) | 0.408 | 1.03 | 0.902 | |||
ANNUAL RUNOFF (INCHES) | 5.54 | 13.99 | 12.26 | |||
10 PERCENT EXCEEDS | 25 | 68 | 69 | |||
50 PERCENT EXCEEDS | 1.4 | 17 | 11 | |||
90 PERCENT EXCEEDS | 0.16 | 1.3 | 0.00 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |