LOCATION.-- Lat 38°24'07", long 87°45'10" (NAD of 1927), in SE1/4NW1/4 sec.28, T.1 S., R.12 W., Wabash County, Illinois, Hydrologic Unit 05120113, (MOUNT CARMEL, IL-IN quadrangle), on right bank on downstream side of Southern Railway bridge at Mount Carmel, 0.2 mi downstream from Patoka River, and at mile 94.4. |
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DRAINAGE AREA.-- 28,635 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1927 to current year. |
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STAGE: January 1908 to September 1913. Gage-height records collected in this vicinity November 1874 to December 1878, are contained in files of Louisville office of the U.S. Army Corps of Engineers and since June 1884, are contained in reports of National Weather Service. |
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REVISED RECORDS.-- WDR IN-73-1: Drainage area. |
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GAGE.-- Water-stage recorder. Datum of gage is 369.46 ft above NGVD of 1929. Oct. 1, 1949, to Feb. 8, 1977, at datum 2.00 ft higher. See WSP 1725 for history of changes prior to Sept. 30, 1949. |
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REMARKS.-- Flow partially regulated by upstream reservoirs. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 305,000 ft3/s, May 25, 1943, maximum gage height, 31.75 ft, January 7, 1991; minimum daily discharge, 1,650 ft3/s, September 27, 1941. |
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EXTREMES OUTSIDE PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: (1874-78, 1884 to 1985) Maximum discharge, 428,000 ft3/s, Mar. 30, 1913, gage height, 33.0 ft, present site and datum. |
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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 | 9200 | 81600 | 57900 | 42100 | 37300 | 37500 | 76600 | 95400 | 50900 | 27400 | 9020 | 9040 |
2 | 8540 | 81600 | 61200 | 35400 | 56600 | 34800 | 77900 | 101000 | 49700 | 26800 | 8840 | 8200 |
3 | 7850 | 78400 | 63500 | 31200 | 65600 | 34400 | 77600 | 105000 | 47800 | 25000 | 8670 | 7530 |
4 | 7280 | 69000 | 66400 | 28500 | 70800 | 38400 | 76200 | 109000 | 45200 | 22900 | 8710 | 7030 |
5 | 7040 | 55800 | 68800 | 26700 | 74600 | 43800 | 74300 | 113000 | 42100 | 20800 | 8660 | 6650 |
6 | 6720 | 44800 | 70400 | 25800 | 77900 | 47000 | 71900 | 118000 | 39100 | 19200 | 8650 | 6350 |
7 | 6350 | 38200 | 70800 | 25300 | 80500 | 49200 | 69200 | 123000 | 35800 | 17700 | 8480 | 6120 |
8 | 6010 | 34600 | 67900 | 24700 | 82200 | 50200 | 66500 | 129000 | 36400 | 16700 | 8070 | 5930 |
9 | 6000 | 32000 | 61800 | 24000 | 82800 | 50000 | 64800 | 133000 | 39500 | 15700 | 7630 | 5770 |
10 | 7170 | 30300 | 53100 | 23300 | 79000 | 54300 | 63000 | 135000 | 40700 | 14800 | 7220 | 5660 |
11 | 9560 | 28800 | 44200 | 22700 | 69700 | 59300 | 61100 | 141000 | 39300 | 13900 | 6970 | 5440 |
12 | 13100 | 27700 | 38000 | 22200 | 62300 | 63200 | 58800 | 150000 | 36800 | 13400 | 6890 | 5260 |
13 | 18100 | 26700 | 36400 | 21600 | 55500 | 65000 | 60200 | 172000 | 36300 | 13500 | 6720 | 5200 |
14 | 31400 | 25900 | 41000 | 21100 | 47700 | 65500 | 65200 | 199000 | 40300 | 13500 | 6570 | 5200 |
15 | 47500 | 25000 | 51400 | 20700 | 41400 | 63100 | 70700 | 218000 | 41800 | 12600 | 6600 | 5190 |
16 | 55000 | 23800 | 56900 | 20200 | 37000 | 61700 | 74300 | 230000 | 42100 | 11700 | 6420 | 5250 |
17 | 59900 | 22200 | 68600 | 19800 | 33500 | 63300 | 76900 | 236000 | 41400 | 11000 | 6290 | 5130 |
18 | 62800 | 20500 | 81600 | 19300 | 30700 | 64300 | 79100 | 236000 | 39400 | 10600 | 6230 | 5130 |
19 | 65100 | 19200 | 91100 | 18700 | 28700 | 62700 | 81000 | 233000 | 35800 | 10300 | 6360 | 5180 |
20 | 67000 | 18100 | 99900 | 18100 | 27900 | 62500 | 82700 | 229000 | 31900 | 9890 | 6490 | 6320 |
21 | 68400 | 17400 | 107000 | 17500 | 30900 | 63200 | 84000 | 220000 | 28500 | 9620 | 7980 | 9250 |
22 | 69300 | 17000 | 115000 | 17000 | 37800 | 61400 | 85600 | 206000 | 26200 | 9540 | 18800 | 8400 |
23 | 69600 | 16700 | 122000 | 16800 | 43000 | 57800 | 85700 | 188000 | 24600 | 10000 | 21100 | 8180 |
24 | 68300 | 16900 | 126000 | 18100 | 44700 | 53900 | 85200 | 165000 | 23200 | 9690 | 18200 | 7960 |
25 | 68200 | 18200 | 127000 | 20300 | 45400 | 51000 | 85000 | 140000 | 22300 | 10000 | 17400 | 8260 |
26 | 71400 | 19100 | 125000 | 20300 | 45700 | 59900 | 83300 | 117000 | 21800 | 10900 | 21700 | 7770 |
27 | 75400 | 22400 | 119000 | 20700 | 44800 | 67200 | 82000 | 93700 | 21500 | 11000 | 21000 | 7510 |
28 | 77900 | 27800 | 108000 | 20800 | 41700 | 69600 | 84700 | 76400 | 22100 | 10600 | 17600 | 7270 |
29 | 79000 | 36700 | 91700 | 20400 | --- | 70900 | 88200 | 67000 | 24300 | 9810 | 14400 | 7160 |
30 | 79600 | 49700 | 71300 | 20100 | --- | 72300 | 91600 | 61200 | 26600 | 9130 | 11700 | 7010 |
31 | 80500 | --- | 53800 | 21800 | --- | 74100 | --- | 55400 | --- | 8890 | 10000 | --- |
TOTAL | 1309220 | 1026100 | 2416700 | 705200 | 1475700 | 1771500 | 2283300 | 4595100 | 1053400 | 436570 | 329370 | 200350 |
MEAN | 42230 | 34200 | 77960 | 22750 | 52700 | 57150 | 76110 | 148200 | 35110 | 14080 | 10620 | 6678 |
MAX | 80500 | 81600 | 127000 | 42100 | 82800 | 74100 | 91600 | 236000 | 50900 | 27400 | 21700 | 9250 |
MIN | 6000 | 16700 | 36400 | 16800 | 27900 | 34400 | 58800 | 55400 | 21500 | 8890 | 6230 | 5130 |
CFSM | 1.47 | 1.19 | 2.72 | 0.79 | 1.84 | 2.00 | 2.66 | 5.18 | 1.23 | 0.49 | 0.37 | 0.23 |
IN. | 1.70 | 1.33 | 3.14 | 0.92 | 1.92 | 2.30 | 2.97 | 5.97 | 1.37 | 0.57 | 0.43 | 0.26 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1928 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 9789 | 15620 | 25860 | 37090 | 41190 | 49900 | 50240 | 42820 | 28910 | 19310 | 12070 | 8962 |
MAX | 42230 | 87950 | 92340 | 199300 | 147100 | 108700 | 106400 | 148200 | 80120 | 73580 | 75530 | 50670 |
(WY) | 2002 | 1994 | 1986 | 1950 | 1950 | 1985 | 1938 | 2002 | 1998 | 1958 | 1979 | 1989 |
MIN | 2465 | 2632 | 2266 | 2861 | 3758 | 4815 | 11900 | 5805 | 5035 | 3366 | 2372 | 2572 |
(WY) | 1941 | 1931 | 1964 | 1977 | 1931 | 1941 | 1941 | 1934 | 1988 | 1936 | 1936 | 1940 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1928 - 2002 | |||
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ANNUAL TOTAL | 10853830 | 17602510 | ||||
ANNUAL MEAN | 29740 | 48230 | 28410 | |||
HIGHEST ANNUAL MEAN | 56740 | 1950 | ||||
LOWEST ANNUAL MEAN | 6144 | 1941 | ||||
HIGHEST DAILY MEAN | 127000 | Dec 25 | 236000 | May 17 | 302000 | May 25 1943 |
LOWEST DAILY MEAN | 5850 | Aug 18 | 5130 | Sep 17 | 1650 | Sep 27 1941 |
ANNUAL SEVEN-DAY MINIMUM | 6020 | Aug 14 | 5180 | Sep 13 | 1700 | Dec 19 1963 |
MAXIMUM PEAK FLOW | 237000 | May 17 | 305000 | May 25 1943 | ||
MAXIMUM PEAK STAGE | 32.35 | May 17 | 32.35 | May 17 2002 | ||
ANNUAL RUNOFF (CFSM) | 1.04 | 1.68 | 0.99 | |||
ANNUAL RUNOFF (INCHES) | 14.10 | 22.87 | 13.48 | |||
10 PERCENT EXCEEDS | 67100 | 92500 | 68100 | |||
50 PERCENT EXCEEDS | 20500 | 37000 | 16600 | |||
90 PERCENT EXCEEDS | 8020 | 7250 | 4380 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |