05599500 DATA: Discharge Tables, 2003

Station list Available data
BIG MUDDY RIVER BASIN

05599500 BIG MUDDY RIVER AT MURPHYSBORO, IL


LOCATION.-- Lat 37°44'55", long 89°20'45" (NAD of 1927), in SE1/4SE1/4 sec.8, T.9 S., R.2 W., Jackson County, Hydrologic Unit 07140106, on left bank just upstream from Lewis Creek, 0.2 mi upstream from South Twentieth Street Bridge, at Murphysboro, and at mile 36.0.

DRAINAGE AREA.-- 2,169 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: December 1916 to current year (fragmentary prior to 1931).
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1975-92.
	SEDIMENT: May 1980 to Sept. 1997.
	SPECIFIC CONDUCTANCE: Water years 1975-81.
	WATER TEMPERATURE: Water years 1975-81.
	MISCELLANEOUS: Sediment concentration and particle size, water years 1993-97.

REVISED RECORDS.-- WDR IL-79-1: Drainage area.

GAGE.-- Water-stage recorder, crest-stage gage, and phone telemeter. Datum of gage is 335.5 ft above NGVD of 1929. Prior to June 20, 1931, nonrecording gage at South Twentieth Street Bridge, 1,300 ft downstream, at datum 5 ft lower. June 20, 1931, to July 11,1933, nonrecording gage at upstream side of railroad bridge across mouth of Lewis Creek at present datum. Since Nov. 14, 1973, auxiliary water-stage recorder 7,700 ft upstream. Oct. 6, 1931, to Nov. 13, 1973, auxiliary nonrecording gage read twice daily at same site. Oct. 1, 1995 to Sept. 30, 1999, water-stage recorder at South Twentieth Street Bridge, 1,300 ft downstream, at present datum.

REMARKS.-- Flow regulated since October 1970 by Rend Lake (station 05595950), 67.8 mi upstream from gage.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 33,800 ft³/s, May 2, 1996, from graph based on discharge record, gage height 36.12 ft; maximum gage height, 37.97 ft, May 12, 1961; maximum daily reverse flow, 4,400 ft³/s, June 3, 1947, caused by backwater from Mississippi River; no flow Aug. 13 to Sept. 1, 1936, unaffected by backwater.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 1,700 mg/L, Feb. 28, 1987; minimum daily, 2 mg/L, Aug. 10, 11, 1993.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 20,500 tons, May 3, 1983; minimum daily, -45 tons, Aug. 6, 1993.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of Feb. 2, 1916, reached a stage of 34.9 ft, present datum, discharge, 28,000 ft³/s.

REMARKS FOR CURRENT YEAR.-- Records good except those above 500 ft³/s and those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	121	262	65	5160	225	6670	1580	4300	2090	1200	452	401
2	113	229	65	5730	240	5850	1340	3950	1790	1020	446	355
3	108	197	68	5840	258	5230	1130	3890	1590	927	545	382
4	104	156	74	5650	281	4830	961	3700	1490	886	587	410
5	103	142	78	5270	317	4370	844	3920	1420	857	555	383

6	104	139	78	4870	344	3810	779	4980	1330	829	508	316
7	104	143	85	4400	343	3160	917	6400	1220	798	463	263
8	99	133	90	3710	315	2560	1190	8450	1110	762	429	225
9	96	122	91	2840	295	2010	1210	10500	1010	729	410	200
10	99	232	93	1840	289	1560	1170	12200	958	712	402	185

11	95	416	91	1090	285	1280	1080	13000	2490	705	394	174
12	96	365	90	705	283	1090	952	12500	4980	763	381	165
13	93	241	97	584	284	996	819	11700	6640	851	368	156
14	87	173	109	e450	375	1010	725	10600	9180	866	357	146
15	82	142	139	e370	662	1130	654	9480	11100	840	335	138

16	82	116	181	e310	1050	1300	600	8350	12400	806	315	136
17	79	109	196	e270	1440	1290	674	7020	12400	733	307	137
18	77	104	228	e240	1750	1180	943	5680	11500	950	301	134
19	81	99	1020	e220	2610	1320	1200	4640	10100	e1400	297	129
20	76	90	3080	e210	4590	2220	1530	4060	8620	e1450	281	128

21	76	82	3660	e200	5180	2770	1810	3680	7200	e1550	268	129
22	76	79	3450	e190	5780	3170	1810	3250	5960	e1300	262	132
23	76	75	2850	e180	6930	3100	1740	2830	4970	935	247	131
24	76	75	2180	e170	7780	2860	1570	2420	4070	697	228	130
25	92	72	1740	e160	8310	2550	e2800	2290	3190	604	211	126

26	114	68	1410	e160	8580	2560	4380	2850	2640	554	205	116
27	126	67	1100	e155	8250	2530	4880	3290	2520	525	197	114
28	115	68	850	e150	7480	2460	5060	3500	2140	501	188	111
29	137	69	710	e150	---	2310	5060	3400	1830	479	190	111
30	179	67	1190	e175	---	2060	4800	2930	1530	468	281	115

31	236	---	3430	e200	---	1840	---	2480	---	463	437	---

TOTAL	3202	4332	28588	51649	74526	81076	54208	182240	139468	26160	10847	5778
MEAN	103	144	922	1666	2662	2615	1807	5879	4649	844	350	193
MAX	236	416	3660	5840	8580	6670	5060	13000	12400	1550	587	410
MIN	76	67	65	150	225	996	600	2290	958	463	188	111
CFSM	0.05	0.07	0.43	0.77	1.23	1.21	0.83	2.71	2.14	0.39	0.16	0.09

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2003, BY WATER YEAR (WY)
MEAN	484	1385	2144	2429	2923	3772	3915	3725	2159	973	513	405
MAX	2700	10110	10030	9489	10600	12290	10510	16410	6972	3393	1307	2821
(WY)	1994	1994	1983	1991	1982	1979	1979	1983	1995	1998	2000	1993
MIN	56.5	44.2	74.3	74.7	377	237	289	298	119	131	72.1	43.8
(WY)	2000	1972	1990	1977	1972	1981	1981	1987	1972	1971	1991	1971

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1971 - 2003
ANNUAL TOTAL	1007524		662074
ANNUAL MEAN	2760		1814		2064
HIGHEST ANNUAL MEAN					3864	1983
LOWEST ANNUAL MEAN					741	1972
HIGHEST DAILY MEAN	18200	May 17	13000	May 11	33500	May 2 1996
LOWEST DAILY MEAN	65	Dec 1, 2	65	Dec 1, 2	-2600 A	Aug 6 1993
ANNUAL SEVEN-DAY MINIMUM	67	Nov 26	67	Nov 26	-1340	Aug 1 1993
MAXIMUM PEAK FLOW			13400 B	May 11	33800 C	May 2 1996
MAXIMUM PEAK STAGE			25.61 D	May 11	36.88	May 5 1983
INSTANTANEOUS LOW FLOW			58	Dec 2
ANNUAL RUNOFF (CFSM)	1.27		0.84		0.95
10 PERCENT EXCEEDS	8100		5200		5600
50 PERCENT EXCEEDS	842		662		847
90 PERCENT EXCEEDS	94		94		100

	A - Backwater from the Mississippi River; lowest daily mean unaffected by backwater, 27 ft³/s, Nov. 4-5, 1999.
	B - Gage height, 25.55 ft.
	C - From graph based on discharge record, gage height, 36.12 ft.
	D - Discharge, 12,700 ft³/s.