LOCATION.-- Lat 38°03'40", long 88°09'35" (NAD of 1927), in NW1/4SE1/4 sec.25, T.5 S., R.9 E., White County, Hydrologic Unit 05120114, on right bank at downstream side of Possum Bridge, 2.3 mi south of Main Street Bridge in Carmi, 7.8 mi downstream from Skillet Fork, and at mile 30.5. |
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DRAINAGE AREA.-- 3,102 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1939 to current year. |
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STAGE: October 1908 to December 1912. Water years 1994 to current year. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1978-79. |
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SPECIFIC CONDUCTANCE: Water years 1978-79. |
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WATER TEMPERATURE: Water years 1978-79. |
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BIOLOGICAL |
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ALGAE: Water years 1978-79. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 339.91 ft above NGVD of 1929 (339.54 ft NAVD 1988). Prior to December 1912, nonrecording gage at site 3.1 mi upstream at datum 0.4 ft higher. Oct. 1 to Nov. 9, 1939, nonrecording gage at present site and datum. Since Nov. 14, 1939, auxiliary water-stage recorder 3.1 mi upstream. |
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REMARKS.-- At extremely high stages, there is diversion 6 mi above the gage through McHenry Slough to the Wabash River. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 46,900 ft3/s, May 12, 1961, gage height 36.66 ft; maximum gage height, 36.70 ft, May 13, 1961, discharge unknown; no flow, Sept. 15-17, 1952, result of temporary dam upstream; minimum unregulated discharge, 0.6 ft3/s, Sept. 9, 1953, July 31, 1954. |
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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 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 | 54 | 6610 | 8400 | 6240 | 8220 | 1280 | 4370 | 1640 | 128 | 57 | 24 | 177 |
2 | 54 | 8030 | 9290 | 5750 | 6650 | 1120 | 2440 | 1650 | 135 | 54 | 21 | 118 |
3 | 49 | 9440 | 9590 | 5840 | 4630 | 965 | 1430 | 1390 | 136 | 93 | 21 | 85 |
4 | 47 | 9770 | 9570 | 7460 | 2900 | 984 | e1050 | 1050 | 130 | 110 | 23 | 67 |
5 | 44 | 9690 | 9120 | 9720 | 1920 | 921 | e850 | 798 | 123 | 79 | 25 | 55 |
6 | 41 | 9480 | 8480 | 12600 | 1530 | 871 | e700 | 652 | 114 | 56 | 26 | 44 |
7 | 40 | 9190 | 8680 | 13800 | 2830 | 839 | e620 | 533 | 107 | 47 | 32 | 40 |
8 | 41 | 8280 | 9860 | 15000 | 6120 | 774 | e560 | 418 | 110 | 43 | 45 | 37 |
9 | 43 | 7390 | 9880 | 17300 | 6540 | 704 | e520 | 364 | 125 | 40 | 50 | 35 |
10 | 41 | 6480 | 9540 | 20800 | 6380 | 650 | e500 | 335 | 124 | 37 | 38 | 32 |
11 | 40 | 6720 | 8930 | 24100 | 5950 | 618 | e480 | 305 | 126 | 43 | 32 | 31 |
12 | 59 | 9530 | 8060 | 25200 | 5280 | 603 | 1120 | 292 | 163 | 79 | 29 | 30 |
13 | 63 | 10400 | 7300 | 25800 | 5850 | 594 | 3160 | 277 | 205 | 76 | 26 | 27 |
14 | 65 | 10500 | 6620 | 26400 | 8570 | 569 | 4030 | 436 | 175 | 82 | 40 | 26 |
15 | 89 | 10300 | 6150 | 25400 | 9380 | 527 | 3700 | 571 | 139 | 72 | 72 | 25 |
16 | 102 | 9870 | 5820 | 24300 | 9420 | 477 | 3380 | 475 | 132 | 64 | 158 | 27 |
17 | 97 | 9170 | 5500 | 23500 | 9290 | 455 | 2790 | 375 | 134 | 60 | 319 | 26 |
18 | 398 | 8230 | 4940 | 22600 | 8840 | 438 | 2070 | 346 | 118 | 59 | 318 | 24 |
19 | 2270 | 7970 | 3880 | 21400 | 8050 | 430 | 1450 | 392 | 111 | 62 | 199 | 23 |
20 | 3710 | 8000 | 2330 | 20400 | 7300 | 406 | 1060 | 413 | 148 | 66 | 380 | 53 |
21 | 4060 | 7220 | 1390 | 19400 | 6790 | 382 | 824 | 390 | 172 | 99 | 520 | 714 |
22 | 3790 | 6110 | 1010 | 18300 | 6430 | 395 | 919 | 326 | 150 | 106 | 441 | 525 |
23 | 3480 | 5040 | 738 | 17700 | 6040 | 1160 | 1940 | 286 | 122 | 87 | 426 | 195 |
24 | 3780 | 4470 | e620 | 16200 | 5660 | 1580 | 1860 | 268 | 97 | 71 | 364 | 113 |
25 | 3450 | 5870 | e580 | 15000 | 5030 | 1510 | 1310 | 238 | 76 | 66 | 237 | 92 |
26 | 2840 | 6490 | e550 | 14200 | 4040 | 1360 | 1080 | e208 | 61 | 48 | e1310 | 97 |
27 | 5770 | 6450 | e520 | 13300 | 2910 | 1420 | 1020 | e194 | 52 | 47 | 2500 | 78 |
28 | 7110 | 6460 | e510 | 12500 | 1820 | 6880 | 1120 | e176 | 50 | 42 | 1680 | 76 |
29 | 7670 | 6220 | e700 | 11700 | --- | 9030 | 1150 | e162 | 50 | 36 | 740 | 93 |
30 | 7890 | 6680 | 3340 | 10800 | --- | 8200 | 1350 | e148 | 52 | 30 | 501 | 82 |
31 | 7430 | --- | 6240 | 9620 | --- | 6650 | --- | e136 | --- | 27 | 369 | --- |
TOTAL | 64617 | 236060 | 168138 | 512330 | 164370 | 52792 | 48853 | 15244 | 3565 | 1938 | 10966 | 3047 |
MEAN | 2084 | 7869 | 5424 | 16530 | 5870 | 1703 | 1628 | 492 | 119 | 62.5 | 354 | 102 |
MAX | 7890 | 10500 | 9880 | 26400 | 9420 | 9030 | 4370 | 1650 | 205 | 110 | 2500 | 714 |
MIN | 40 | 4470 | 510 | 5750 | 1530 | 382 | 480 | 136 | 50 | 27 | 21 | 23 |
CFSM | 0.67 | 2.54 | 1.75 | 5.33 | 1.89 | 0.55 | 0.52 | 0.16 | 0.04 | 0.02 | 0.11 | 0.03 |
IN. | 0.77 | 2.83 | 2.02 | 6.14 | 1.97 | 0.63 | 0.59 | 0.18 | 0.04 | 0.02 | 0.13 | 0.04 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 606 | 1567 | 2741 | 3901 | 4558 | 5362 | 5205 | 4410 | 2470 | 1384 | 795 | 432 |
MAX | 5429 | 12840 | 12960 | 23300 | 17270 | 17680 | 15400 | 19330 | 10120 | 8237 | 6024 | 2766 |
(WY) | 1950 | 1994 | 1983 | 1950 | 1999 | 1979 | 1945 | 1961 | 1957 | 2000 | 1979 | 1993 |
MIN | 5.25 | 8.23 | 16.4 | 30.6 | 62.7 | 25.3 | 176 | 167 | 44.5 | 40.8 | 22.7 | 3.07 |
(WY) | 1965 | 1954 | 1954 | 1977 | 1963 | 1954 | 1954 | 1988 | 1988 | 1940 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1940 - 2005 | |||
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ANNUAL TOTAL | 1333123 | 1281920 | ||||
ANNUAL MEAN | 3642 | 3512 | 2777 | |||
HIGHEST ANNUAL MEAN | 6094 | 1950 | ||||
LOWEST ANNUAL MEAN | 151 | 1954 | ||||
HIGHEST DAILY MEAN | 12300 | Aug 30 | 26400 | Jan 14 | 46000 | May 13 1961 |
LOWEST DAILY MEAN | 40 | Oct 7, 11 | 21 | Aug 2, 3 | 0.00 | A |
ANNUAL SEVEN-DAY MINIMUM | 41 | Oct 5 | 24 | Jul 31 | 1.5 | Sep 18 1953 |
MAXIMUM PEAK FLOW | 27000 B | Jan 14 | 46900 C | May 12 1961 | ||
MAXIMUM PEAK STAGE | 33.66 D | Jan 14 | 36.70 E | May 13 1961 | ||
INSTANTANEOUS LOW FLOW | 20 | Aug 2, 3 | ||||
ANNUAL RUNOFF (CFSM) | 1.17 | 1.13 | 0.895 | |||
ANNUAL RUNOFF (INCHES) | 15.99 | 15.37 | 12.16 | |||
10 PERCENT EXCEEDS | 9280 | 9580 | 8830 | |||
50 PERCENT EXCEEDS | 1960 | 650 | 585 | |||
90 PERCENT EXCEEDS | 92 | 43 | 39 |
A - Sept. 15-17, 1952, result of temporary dam upstream, minimum unregulated discharge, 0.6 ft3/s, Sept. 9, 1953, July 31, 1954, |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |