05597500 DATA: Discharge Tables, 2002

Station list Available data
BIG MUDDY RIVER BASIN


LOCATION.-- Lat 37°43'52", long 88°53'21" (NAD of 1927), in SW1/4SW1/4 sec.16, T.9 S., R.3 E., Williamson County, Hydrologic Unit 07140106, on right bank at downstream side of bridge on State Highway 13, 1.8 mi downstream from Buckley Creek, 2 mi east of Marion, and at mile 32.9.

DRAINAGE AREA.-- 31.7 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1951 to current year.
	STAGE: Water years 1994-2002.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WSP 1388: 1952-54. WDR-IL 75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 415.82 ft above NGVD of 1929. Prior to Aug. 25, 1965, nonrecording gage and crest-stage gage at bridge 800 ft downstream and Aug. 25, 1965, to Oct. 28, 1965, nonrecording gage at present site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 9,430 ft³/s, Dec. 17, 2001, on basis of contracted opening measurement of peak flow, gage height, 13.63 ft; no flow for many days in most years.

REMARKS FOR CURRENT YEAR.-- Records poor.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	0.14	e9.0	147	e11	1050	e18	32	39	27	2.2	0.25	e0.20
2	0.17	e7.8	51	e10	140	26	24	80	24	2.1	0.25	e0.15
3	0.22	e7.0	26	e9.0	71	64	21	51	21	2.0	0.24	e0.10
4	0.24	e6.4	17	e8.0	52	38	17	26	19	1.9	0.23	e0.06
5	0.35	e9.0	13	e8.3	42	29	13	15	28	1.7	0.23	e0.03

6	e0.30	e8.2	20	e9.0	38	28	11	25	66	1.6	0.24	e0.01
7	e0.25	e7.4	31	e12	36	24	11	31	40	1.4	0.25	e0.00
8	e0.20	e7.0	27	e14	31	21	21	1130	22	1.2	0.24	e0.00
9	e0.18	e10	17	e17	27	534	29	530	15	1.1	0.23	e0.00
10	0.16	e8.0	12	e23	23	321	13	160	12	1.0	0.23	e0.00

11	5.8	e7.0	10	e22	20	76	8.4	64	10	0.94	0.25	e0.00
12	81	e6.0	61	e20	18	82	32	50	9.2	0.92	0.26	e0.00
13	402	e5.2	154	e18	16	65	252	1910	8.3	0.82	0.33	e0.00
14	1160	e4.7	976	e17	15	50	393	456	6.7	0.74	0.38	e0.00
15	124	e4.3	336	e15	14	48	154	90	5.7	0.74	0.33	e0.00

16	59	e4.0	367	e14	13	240	55	52	5.1	0.70	0.29	e0.00
17	34	e3.8	5550	e13	12	96	33	584	4.9	0.64	0.25	e0.10
18	18	e3.6	440	e12	12	59	23	266	4.6	0.62	0.27	e0.50
19	11	e3.4	110	e12	14	260	49	85	4.3	0.71	0.31	e0.40
20	9.1	e5.2	68	e13	120	712	84	47	4.1	0.75	0.37	e2.0

21	7.9	e4.8	53	e14	91	180	217	35	3.9	0.50	e0.30	e1.2
22	7.1	e4.4	48	e17	48	77	107	24	3.8	0.40	e0.26	e0.90
23	38	e4.0	52	e22	38	58	42	19	3.7	0.36	e0.23	e0.80
24	e250	e25	42	378	33	50	43	16	3.8	0.33	e0.20	e0.80
25	e150	37	34	140	26	164	47	18	20	0.31	e0.30	e1.0

26	e80	25	29	62	e24	1050	28	35	8.8	0.29	e0.24	1.6
27	e45	221	27	46	e21	159	244	31	4.2	0.30	e0.20	2.7
28	e30	233	e24	38	e17	74	260	33	3.2	0.30	e0.16	1.1
29	e18	635	e20	33	---	59	112	61	2.8	0.32	e0.12	0.45
30	14	777	e16	110	---	49	46	42	2.5	0.31	e0.08	0.35

31	e11	---	e13	387	---	40	---	33	---	0.26	e0.06	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 2002, BY WATER YEAR (WY)
MEAN	4.426	22.45	36.92	38.13	45.53	63.83	57.12	45.37	19.10	6.939	4.920	4.115
MAX	82.5	223	284	214	176	180	296	222	165	61.0	50.6	48.0
(WY)	2002	1986	2002	1982	1985	1979	1996	1996	2000	1958	1985	1993
MIN	0.000	0.000	0.000	0.019	0.14	0.000	0.51	0.24	0.000	0.000	0.000	0.000
(WY)	1953	1954	1954	1981	1964	1954	1981	1965	1953	1959	1953	1952

SUMMARY STATISTICS	FOR 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1952 - 2002
ANNUAL TOTAL	17891.87		30681.10
ANNUAL MEAN	49.02		84.06		28.98
HIGHEST ANNUAL MEAN					84.1	2002
LOWEST ANNUAL MEAN					2.39	1954
HIGHEST DAILY MEAN	5550	Dec 17	5550	Dec 17	5550	Dec 17 2001
LOWEST DAILY MEAN	0.04	Sep 16	0.00 A	Several days	0.00	B
ANNUAL SEVEN-DAY MINIMUM	0.14	Sep 27	0.00 A	Sep 7	0.00	Oct 1 1951
MAXIMUM PEAK FLOW			9430 C	Dec 17	9430 C	Dec 17 2001
MAXIMUM PEAK STAGE			13.63	Dec 17	13.63	Dec 17 2001
ANNUAL RUNOFF (CFSM)	1.55		2.65		0.91
ANNUAL RUNOFF (INCHES)	21.00		36.00		12.42
10 PERCENT EXCEEDS	65		156		48
50 PERCENT EXCEEDS	4.0		15		2.2
90 PERCENT EXCEEDS	0.19		0.24		0.00

	A - Estimated.
	B - Many days in most years.
	C - On basis of contracted opening measurement of peak flow.