05599500 DATA: Discharge Tables, 2001

BIG MUDDY RIVER BASIN

05599500 BIG MUDDY RIVER AT MURPHYSBORO, IL

LOCATION.-- Lat 37°44'55", long 89°20'45", 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 1997-2001.

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.

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 sea level. 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 poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	294	57	e1150	e240	e2300	5370	1050	e370	e420	e480	372	1090
2	e260	53	e960	e230	2640	5050	1030	e355	e470	e520	292	848
3	e245	50	e770	e220	2510	4630	2930	e345	e500	e540	240	719
4	e230	50	e630	e210	2250	4150	4700	e340	e480	e490	206	632
5	e220	49	e520	e200	1820	3710	5520	e335	e400	e440	182	546

6	e210	87	423	e205	1390	3160	6210	e330	e330	e390	177	456
7	206	185	384	e220	1050	2510	6420	e325	e300	e360	179	369
8	203	e250	349	e270	869	1950	5860	e320	e285	e330	162	328
9	192	e350	309	e320	961	1520	4970	e315	e300	e310	153	418
10	175	760	295	e390	1790	1290	4280	e310	e400	e290	432	450

11	157	812	e350	e450	2870	1160	3560	e305	e450	e280	718	378
12	139	702	1110	e430	3380	1060	2760	e300	e500	e270	686	302
13	124	637	1870	e410	3680	1000	2040	e295	e480	e260	530	253
14	116	529	2270	e600	3700	950	e1600	e290	e430	e255	319	212
15	111	449	2140	1700	3720	927	e1300	e285	e380	e250	217	195

16	114	477	e1700	2840	3560	1010	e1200	e280	e330	e245	174	164
17	185	e420	e1400	3280	3990	1130	e1100	e275	e300	e240	142	129
18	153	e360	e1100	3460	4320	1500	e1200	e300	e280	e235	179	183
19	136	e300	e950	3450	4430	1970	e1250	e400	e260	e260	343	235
20	123	e250	e800	3060	4180	2170	e1150	e600	e240	e360	460	498

21	114	210	e700	e2500	3690	2200	e1000	e800	e250	e600	375	542
22	109	164	e600	e2000	3200	2180	e850	e900	e300	e570	285	452
23	98	136	e540	e1500	2820	2040	e720	e1000	e400	e520	333	384
24	87	e140	e480	1100	2370	1880	e630	e1100	e500	e430	363	316
25	84	e500	e430	e800	3310	1680	e550	e1000	e550	e370	393	236

26	80	1180	e390	e700	4330	1550	e510	e800	e500	e390	553	177
27	75	1660	e360	642	4660	1480	e460	e650	e420	e650	627	146
28	74	1940	e330	604	5200	1450	e430	e550	e350	e650	590	126
29	65	1770	e300	605	---	1360	e400	e470	e380	e500	523	108
30	62	e1450	e270	882	---	1250	e380	e420	e420	e450	427	104

31	61	---	e250	e1500	---	1130	---	e400	---	e400	e500	---

TOTAL	4502	15977	24130	35018	84990	64417	66060	14765	11605	12335	11132	10996
MEAN	145	533	778	1130	3035	2078	2202	476	387	398	359	367
MAX	294	1940	2270	3460	5200	5370	6420	1100	550	650	718	1090
MIN	61	49	250	200	869	927	380	275	240	235	142	104
CFSM	.07	.25	.36	.52	1.40	.96	1.02	.22	.18	.18	.17	.17

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2001, BY WATER YEAR (WY)
MEAN	449	1452	2037	2491	2905	3716	3930	3412	2074	986	526	420
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 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1971 - 2001
ANNUAL TOTAL	499396		355927
ANNUAL MEAN	1364		975		2027
HIGHEST ANNUAL MEAN					3864	1983
LOWEST ANNUAL MEAN					741	1972
HIGHEST DAILY MEAN	16800	Jun 22	6420	Apr 7	33500	May 2 1996
LOWEST DAILY MEAN	49	Nov 5	49	Nov 5	-2600 A	Aug 6 1993
ANNUAL SEVEN-DAY MINIMUM	55	Oct 30	55	Oct 30	-1340	Aug 1 1993
MAXIMUM PEAK FLOW			6640 B	Apr 7	33800 C	May 2 1996
MAXIMUM PEAK STAGE			21.61 D	Jun 12	36.88	May 5 1983
INSTANTANEOUS LOW FLOW			47	Nov 3-6
ANNUAL RUNOFF (CFSM)	.63		.45		.93
10 PERCENT EXCEEDS	3080		2830		5420
50 PERCENT EXCEEDS	480		450		835
90 PERCENT EXCEEDS	114		163		100

	A - Backwater from the Mississippi River; lowest daily mean unaffected by backwater, 27 ft³/s, Nov. 4-5, 1999.
	B - Gage height, 18.14 ft.
	C - From graph based on discharge record, gage height, 36.12 ft.
	D - Backwater from the Mississippi River.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data