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. Discharge record for January 1966 to February 1980 available in files of U.S. Army Corps of Engineers. |
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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) (616.76 ft NAVD 1988). |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE 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 Dec. 1 to Jan. 13, and estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 0.90 | 76 | 310 | 20 | 25 | 37 | 20 | 12 | 6.8 | 0.16 | 0.00 | 0.00 |
2 | 0.84 | 263 | 184 | 22 | 24 | 33 | 21 | 11 | 6.6 | 0.25 | 0.00 | 0.00 |
3 | 0.82 | 167 | 128 | 212 | 24 | 32 | 20 | 10 | 7.2 | 0.10 | 0.00 | 0.00 |
4 | 0.77 | 136 | 99 | 314 | 24 | 33 | 19 | 10 | 7.1 | 0.08 | 0.00 | 0.00 |
5 | 0.66 | 110 | 81 | 1230 | 39 | 30 | 19 | 9.7 | 6.4 | 0.07 | 0.00 | 0.00 |
6 | 0.63 | 88 | 72 | 722 | 80 | 29 | 19 | 10 | 5.3 | 0.06 | 0.00 | 0.00 |
7 | 0.64 | 71 | 732 | 230 | 147 | 32 | 20 | 10 | 4.9 | 0.04 | 0.00 | 0.00 |
8 | 0.69 | 56 | 327 | 141 | 284 | 27 | 19 | 9.8 | 4.7 | 0.01 | 0.00 | 0.00 |
9 | 0.88 | 49 | 185 | 121 | 163 | 25 | 18 | 9.8 | 5.0 | 0.00 | 0.00 | 0.00 |
10 | 0.86 | 45 | 133 | 139 | 118 | 26 | 18 | 9.7 | 5.1 | 0.00 | 0.00 | 0.00 |
11 | 0.76 | 110 | 105 | 147 | 87 | 27 | 18 | 8.9 | 6.6 | 0.00 | 0.00 | 0.00 |
12 | 1.8 | 204 | 87 | 175 | 86 | 26 | 43 | 9.6 | 11 | 0.01 | 0.00 | 0.00 |
13 | 2.3 | 117 | 72 | 761 | 209 | 22 | 139 | 9.7 | 7.6 | 0.00 | 0.00 | 0.00 |
14 | 1.7 | 83 | 59 | 364 | 399 | 21 | 72 | 11 | 7.5 | 0.00 | 0.00 | 0.00 |
15 | 2.1 | 67 | 53 | 148 | 170 | 20 | 46 | 10 | 6.9 | 0.01 | 0.00 | 0.00 |
16 | 1.5 | 59 | 49 | 96 | 254 | 20 | 36 | 9.0 | 5.4 | 0.13 | 0.00 | 0.00 |
17 | 1.2 | 53 | 45 | 72 | 136 | 21 | 30 | 8.4 | 4.3 | 0.06 | 0.00 | 0.00 |
18 | 241 | 49 | 42 | 67 | 90 | 21 | 27 | 8.3 | 3.5 | 0.04 | 0.00 | 0.00 |
19 | 516 | 76 | 38 | 56 | 71 | 21 | 24 | 17 | 3.0 | 0.01 | 0.00 | 0.00 |
20 | 183 | 78 | 46 | 48 | 71 | 19 | 22 | 22 | 2.4 | 0.00 | 0.00 | 0.00 |
21 | 120 | 62 | 35 | 45 | 75 | 19 | 19 | 14 | 1.9 | 0.00 | 0.00 | 0.00 |
22 | 87 | 55 | 30 | 43 | 63 | 21 | 21 | 12 | 1.8 | 0.00 | 0.00 | 0.00 |
23 | 77 | 52 | e27 | 43 | 56 | 26 | 18 | 11 | 1.2 | 0.00 | 0.00 | 0.00 |
24 | 71 | 188 | e25 | 36 | 53 | 22 | 17 | 9.5 | 0.95 | 0.00 | 0.00 | 0.00 |
25 | 56 | 324 | e24 | e33 | 49 | 28 | 16 | 8.6 | 0.84 | 0.00 | 0.00 | 0.00 |
26 | 51 | 179 | e23 | e33 | 44 | 35 | 17 | 8.4 | 0.65 | 0.00 | 0.00 | 0.00 |
27 | 85 | 134 | e22 | 33 | 43 | 31 | 14 | 8.3 | 0.51 | 0.00 | 0.00 | 0.00 |
28 | 78 | 147 | e21 | 34 | 43 | 29 | 13 | 7.9 | 0.38 | 0.00 | 0.00 | 0.00 |
29 | 91 | 117 | e20 | 32 | --- | 25 | 13 | 7.5 | 0.31 | 0.00 | 0.00 | 0.00 |
30 | 74 | 162 | e19 | 29 | --- | 25 | 13 | 7.3 | 0.22 | 0.00 | 0.00 | 0.00 |
31 | 57 | --- | e19 | 26 | --- | 23 | --- | 7.2 | --- | 0.00 | 0.00 | --- |
TOTAL | 1806.05 | 3377 | 3112 | 5472 | 2927 | 806 | 811 | 317.6 | 126.06 | 1.03 | 0.00 | 0.00 |
MEAN | 58.3 | 113 | 100 | 177 | 105 | 26.0 | 27.0 | 10.2 | 4.20 | 0.03 | 0.00 | 0.00 |
MAX | 516 | 324 | 732 | 1230 | 399 | 37 | 139 | 22 | 11 | 0.25 | 0.00 | 0.00 |
MIN | 0.63 | 45 | 19 | 20 | 24 | 19 | 13 | 7.2 | 0.22 | 0.00 | 0.00 | 0.00 |
CFSM | 1.68 | 3.25 | 2.90 | 5.10 | 3.02 | 0.75 | 0.78 | 0.30 | 0.12 | 0.00 | 0.00 | 0.00 |
IN. | 1.94 | 3.63 | 3.35 | 5.88 | 3.15 | 0.87 | 0.87 | 0.34 | 0.14 | 0.00 | 0.00 | 0.00 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 15.4 | 36.2 | 39.9 | 43.4 | 47.6 | 45.3 | 50.2 | 50.8 | 33.9 | 11.1 | 4.41 | 6.05 |
MAX | 88.0 | 235 | 131 | 177 | 124 | 117 | 146 | 227 | 102 | 39.8 | 39.7 | 54.2 |
(WY) | 2001 | 1993 | 1983 | 2005 | 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 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1980 - 2005 | |||
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ANNUAL TOTAL | 18012.89 | 18755.74 | ||||
ANNUAL MEAN | 49.2 | 51.4 | 32.0 | |||
HIGHEST ANNUAL MEAN | 61.0 | 2002 | ||||
LOWEST ANNUAL MEAN | 5.12 | 2003 | ||||
HIGHEST DAILY MEAN | 893 | Jan 4 | 1230 | Jan 5 | 1680 | May 16 1990 |
LOWEST DAILY MEAN | 0.13 | Aug 17 | 0.00 | A | 0.00 | B |
ANNUAL SEVEN-DAY MINIMUM | 0.31 | Aug 11 | 0.00 | Jul 20 | 0.00 | B |
MAXIMUM PEAK FLOW | 1660 | Jan 5 | 3260 C | May 12 2002 | ||
MAXIMUM PEAK STAGE | 11.61 | Jan 5 | 13.38 | May 12 2002 | ||
ANNUAL RUNOFF (CFSM) | 1.42 | 1.49 | 0.926 | |||
ANNUAL RUNOFF (INCHES) | 19.37 | 20.17 | 12.57 | |||
10 PERCENT EXCEEDS | 117 | 137 | 72 | |||
50 PERCENT EXCEEDS | 20 | 19 | 11 | |||
90 PERCENT EXCEEDS | 1.0 | 0.00 | 0.00 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |