05469000 DATA: Discharge Tables, 2003

Station list Available data
HENDERSON CREEK BASIN

05469000 HENDERSON CREEK NEAR OQUAWKA, IL


LOCATION.-- Lat 41°00'05", long 90°51'15" (NAD of 1927), in NE1/4SW1/4 sec.28, T.12 N., R.4 W., Henderson County, Hydrologic Unit 07080104, on left bank at downstream side of bridge on State Highway 94, 1 mi south of Bald Bluff, 6.5 mi northeast of Oquawka, and at mile 20.8.

DRAINAGE AREA.-- 432 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1934 to September 1996. October 1997 to current year. Prior to October 1938, published as Henderson River. Monthly discharge only for some periods, published in WSP 1308.
	STAGE: Water years 1994-1996;1998 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978 to 1991. Additional chemical data for water years 1972-77 are published in Water-Resources Investigations 78-23 and 79-24 as site LD 02.
	SEDIMENT: April 1978 to September 1981.

REVISED RECORDS.-- WSP 1208: 1939, 1942-43, 1948. WSP 1308: 1935-38(M), 1941(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 541.21 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Mar. 4, 1941, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 34,600 ft³/s, July 8, 1982, gage height, 31.05 ft; maximum gage height, 32.65 ft, July 25, 1993, discharge 30,800 ft³/s; minimum daily observed, 1.7 ft³/s, Sept. 22, 23, 1940.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 7,070 mg/L May 27, 1981; minimum daily mean, 6 mg/L Feb. 10, 11, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 33,900 tons Apr. 14, 1981; minimum daily, 0.87 tons Feb. 2-4, 1980.

REMARKS FOR CURRENT YEAR.-- Records good except 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	32	39	39	28	e23	e27	55	1950	240	170	57	69
2	38	42	39	32	e27	e26	51	2100	225	163	54	101
3	42	39	32	32	e32	e25	49	817	239	155	55	45
4	86	39	32	35	e30	e26	51	683	240	145	100	31
5	93	39	e30	38	e26	e28	55	3160	217	133	61	29

6	73	39	e28	31	e23	e27	69	2190	220	122	52	25
7	49	38	e27	32	e21	e26	65	912	279	116	46	24
8	44	39	e27	33	e20	e27	80	716	255	141	43	21
9	38	38	e28	29	e19	e29	75	3400	273	255	39	19
10	33	38	e29	21	e18	e27	64	3750	286	227	36	17

11	30	33	e31	39	e17	e26	59	1950	306	177	33	16
12	28	33	e34	e31	e17	281	54	1250	261	132	35	15
13	26	33	e37	e25	e16	1290	50	936	241	112	56	32
14	26	30	39	e24	e16	771	45	802	224	102	37	123
15	26	31	36	e23	e16	511	42	719	206	94	31	86

16	25	31	32	e22	e17	427	41	654	193	87	28	54
17	27	31	31	e21	e17	255	81	588	187	79	26	41
18	27	31	40	e21	e18	172	186	539	181	77	23	35
19	28	30	103	e20	e20	138	119	502	172	77	21	36
20	26	30	102	e20	e23	129	114	467	156	73	20	34

21	26	31	54	e20	e35	122	112	436	148	630	19	34
22	25	31	39	e19	e50	96	94	409	146	363	18	60
23	26	29	32	e19	e80	80	83	390	140	155	17	61
24	30	30	e37	e17	e65	71	78	371	134	110	16	45
25	40	28	e32	e14	e50	66	92	353	158	91	16	37

26	53	28	e29	e13	e35	63	97	325	418	80	16	34
27	46	27	e30	e14	e32	58	78	300	357	73	16	35
28	34	34	e32	e15	e29	65	72	292	239	76	15	55
29	31	34	34	e16	---	80	82	284	210	74	16	37
30	35	26	35	e17	---	80	102	270	186	70	18	30

31	43	---	31	e19	---	61	---	266	---	62	32	---

TOTAL	1186	1001	1181	740	792	5110	2295	31781	6737	4421	1052	1281
MEAN	38.3	33.4	38.1	23.9	28.3	165	76.5	1025	225	143	33.9	42.7
MAX	93	42	103	39	80	1290	186	3750	418	630	100	123
MIN	25	26	27	13	16	25	41	266	134	62	15	15
CFSM	0.09	0.08	0.09	0.06	0.07	0.38	0.18	2.37	0.52	0.33	0.08	0.10
IN.	0.10	0.09	0.10	0.06	0.07	0.44	0.20	2.74	0.58	0.38	0.09	0.11

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2003, BY WATER YEAR (WY)
MEAN	150	175	178	242	371	454	496	493	467	311	143	131
MAX	1560	1189	1176	1265	1473	1752	1742	1829	1960	2967	1675	1222
(WY)	1942	1978	1983	1969	2001	1979	1973	1996	1974	1982	1993	1970
MIN	7.10	9.89	8.38	4.45	13.5	47.4	33.4	26.9	31.3	6.58	9.61	5.65
(WY)	1938	1938	1964	1940	1989	1956	1956	1989	1940	1936	1936	1940

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1935 - 2003
ANNUAL TOTAL	122618		57577
ANNUAL MEAN	336		158		300
HIGHEST ANNUAL MEAN					1002	1993
LOWEST ANNUAL MEAN					50.9	1989
HIGHEST DAILY MEAN	5920	Jun 14	3750	May 10	25800	Jul 25 1993
LOWEST DAILY MEAN	25	Oct 16, 22	13 A	Jan 26	1.7 B	C
ANNUAL SEVEN-DAY MINIMUM	26	Oct 16	15 A	Jan 24	2.1	Sep 17 1940
MAXIMUM PEAK FLOW			4770	May 9	34600 D	Jul 8 1982
MAXIMUM PEAK STAGE			24.70	May 9	32.65 E	Jul 25 1993
INSTANTANEOUS LOW FLOW			8.6 F	Jan 1
ANNUAL RUNOFF (CFSM)	0.78		0.37		0.70
ANNUAL RUNOFF (INCHES)	10.56		4.96		9.45
10 PERCENT EXCEEDS	798		295		674
50 PERCENT EXCEEDS	102		39		126
90 PERCENT EXCEEDS	31		20		19

	A - Estimated due to backwater from ice.
	B - Observed.
	C - Sept. 22, 23, 1940.
	D - Gage height, 31.05 ft.
	E - Discharge, 30,800 ft³/s.
	F - Result of freeze up.