05539900 DATA: Discharge Tables, 2003

Station list Available data
ILLINOIS RIVER BASIN


LOCATION.-- Lat 41°54'39", long 88°10'44" (NAD of 1927), in SE1/4NW1/4 sec.35, T.40 N., R.9 E., Du Page County, Hydrologic Unit 07120004, on left bank at downstream side of bridge on State Highway 64, 2 mi northeast of West Chicago, and at mile 49.2.

DRAINAGE AREA.-- 28.5 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: July 1961 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1979-91.

REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-77-1: 1966-67(M).

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 717.76 ft above NGVD of 1929.

REMARKS.-- Diurnal fluctuation at low flow caused by sewage-treatment plant upstream from station.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 984 ft³/s, Dec. 3, 1982, gage height, 10.44 ft; maximum gage height, 10.91 ft, Oct. 14, 2001; minimum discharge, .20 ft³/s, July 1, 5, 8-12, 1963.

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	16	13	16	18	21	13	25	464	21	12	26	15
2	39	15	17	17	19	13	23	306	20	12	37	14
3	25	16	15	18	26	13	23	125	22	14	27	11
4	65	16	14	17	24	13	114	104	19	15	48	11
5	51	16	15	18	19	13	144	375	18	42	22	9.4

6	28	14	15	19	17	13	71	150	18	34	33	9.5
7	24	12	15	18	16	13	63	104	18	27	38	9.9
8	19	11	15	18	23	14	61	89	58	25	23	9.8
9	18	13	16	18	18	15	60	343	52	34	18	10
10	17	18	14	17	16	16	72	229	28	31	15	9.4

11	16	17	18	17	14	14	54	156	24	19	14	9.5
12	15	18	16	17	14	35	44	115	21	16	13	9.1
13	15	18	14	17	14	43	37	93	20	14	12	12
14	16	16	15	16	14	30	35	96	20	13	13	27
15	17	19	16	16	13	30	31	145	20	84	13	21

16	15	17	15	15	13	29	29	85	18	42	12	14
17	13	17	15	15	14	28	27	67	15	33	13	13
18	16	18	46	15	13	25	25	55	19	51	12	13
19	15	23	46	15	13	24	26	46	36	23	11	12
20	14	18	28	14	13	37	30	41	20	18	11	12

21	14	17	25	13	13	31	27	36	16	35	10	13
22	14	18	23	12	13	26	26	31	15	20	11	16
23	14	17	21	e15	14	23	23	29	15	15	10	14
24	15	17	21	e15	14	21	21	26	14	14	9.7	13
25	26	17	19	e15	15	31	21	24	13	13	11	13

26	22	16	18	e16	13	26	21	23	15	12	11	19
27	18	16	17	e16	13	22	22	22	13	11	11	30
28	18	17	17	e16	12	37	28	24	13	13	9.7	17
29	15	17	17	e15	---	51	24	27	13	12	9.6	15
30	14	16	17	e16	---	33	92	23	12	11	9.3	13

31	14	---	18	e17	---	27	---	24	---	11	9.6	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 2003, BY WATER YEAR (WY)
MEAN	27.7	33.2	33.6	30.4	39.9	52.6	61.8	47.9	39.1	26.5	30.2	29.8
MAX	171	111	134	81.5	118	191	135	113	103	63.8	135	124
(WY)	2002	1986	1983	1999	1997	1979	1983	1996	1996	1993	1987	2001
MIN	1.54	1.62	0.97	0.87	0.75	12.3	14.7	13.9	2.02	5.36	1.50	1.22
(WY)	1964	1963	1963	1963	1963	1968	1963	1971	1963	1966	1961	1962

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1961 - 2003
ANNUAL TOTAL	18344		10491.5
ANNUAL MEAN	50.3		28.7		37.7
HIGHEST ANNUAL MEAN					66.8	2002
LOWEST ANNUAL MEAN					6.41	1963
HIGHEST DAILY MEAN	607	May 12	464	May 1	824	Oct 14 2001
LOWEST DAILY MEAN	11	Nov 8	9.1	Sep 12	0.20	Jul 5 1963
ANNUAL SEVEN-DAY MINIMUM	14	Nov 3	9.6	Sep 6	0.26	Jul 5 1963
MAXIMUM PEAK FLOW			565	May 1	984 A	Dec 3 1982
MAXIMUM PEAK STAGE			8.47	May 1	10.91	Oct 14 2001
INSTANTANEOUS LOW FLOW			B		0.20	C
ANNUAL RUNOFF (CFSM)	1.76		1.01		1.32
ANNUAL RUNOFF (INCHES)	23.94		13.69		17.96
10 PERCENT EXCEEDS	100		46		76
50 PERCENT EXCEEDS	26		17		24
90 PERCENT EXCEEDS	16		12		8.1

	A - Gage height, 10.44 ft.
	B - Minimum not determined, occurred during period of ice effect.
	C - July 1, 5, 8-12, 1963.

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	16	13	16	18	21	13	25	464	21	12	26	15
2	39	15	17	17	19	13	23	306	20	12	37	14
3	25	16	15	18	26	13	23	125	22	14	27	11
4	65	16	14	17	24	13	114	104	19	15	48	11
5	51	16	15	18	19	13	144	375	18	42	22	9.4

6	28	14	15	19	17	13	71	150	18	34	33	9.5
7	24	12	15	18	16	13	63	104	18	27	38	9.9
8	19	11	15	18	23	14	61	89	58	25	23	9.8
9	18	13	16	18	18	15	60	343	52	34	18	10
10	17	18	14	17	16	16	72	229	28	31	15	9.4

11	16	17	18	17	14	14	54	156	24	19	14	9.5
12	15	18	16	17	14	35	44	115	21	16	13	9.1
13	15	18	14	17	14	43	37	93	20	14	12	12
14	16	16	15	16	14	30	35	96	20	13	13	27
15	17	19	16	16	13	30	31	145	20	84	13	21

16	15	17	15	15	13	29	29	85	18	42	12	14
17	13	17	15	15	14	28	27	67	15	33	13	13
18	16	18	46	15	13	25	25	55	19	51	12	13
19	15	23	46	15	13	24	26	46	36	23	11	12
20	14	18	28	14	13	37	30	41	20	18	11	12

21	14	17	25	13	13	31	27	36	16	35	10	13
22	14	18	23	12	13	26	26	31	15	20	11	16
23	14	17	21	e15	14	23	23	29	15	15	10	14
24	15	17	21	e15	14	21	21	26	14	14	9.7	13
25	26	17	19	e15	15	31	21	24	13	13	11	13

26	22	16	18	e16	13	26	21	23	15	12	11	19
27	18	16	17	e16	13	22	22	22	13	11	11	30
28	18	17	17	e16	12	37	28	24	13	13	9.7	17
29	15	17	17	e15	---	51	24	27	13	12	9.6	15
30	14	16	17	e16	---	33	92	23	12	11	9.3	13

31	14	---	18	e17	---	27	---	24	---	11	9.6	---

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	16	13	16	18	21	13	25	464	21	12	26	15
2	39	15	17	17	19	13	23	306	20	12	37	14
3	25	16	15	18	26	13	23	125	22	14	27	11
4	65	16	14	17	24	13	114	104	19	15	48	11
5	51	16	15	18	19	13	144	375	18	42	22	9.4

6	28	14	15	19	17	13	71	150	18	34	33	9.5
7	24	12	15	18	16	13	63	104	18	27	38	9.9
8	19	11	15	18	23	14	61	89	58	25	23	9.8
9	18	13	16	18	18	15	60	343	52	34	18	10
10	17	18	14	17	16	16	72	229	28	31	15	9.4

11	16	17	18	17	14	14	54	156	24	19	14	9.5
12	15	18	16	17	14	35	44	115	21	16	13	9.1
13	15	18	14	17	14	43	37	93	20	14	12	12
14	16	16	15	16	14	30	35	96	20	13	13	27
15	17	19	16	16	13	30	31	145	20	84	13	21

16	15	17	15	15	13	29	29	85	18	42	12	14
17	13	17	15	15	14	28	27	67	15	33	13	13
18	16	18	46	15	13	25	25	55	19	51	12	13
19	15	23	46	15	13	24	26	46	36	23	11	12
20	14	18	28	14	13	37	30	41	20	18	11	12

21	14	17	25	13	13	31	27	36	16	35	10	13
22	14	18	23	12	13	26	26	31	15	20	11	16
23	14	17	21	e15	14	23	23	29	15	15	10	14
24	15	17	21	e15	14	21	21	26	14	14	9.7	13
25	26	17	19	e15	15	31	21	24	13	13	11	13

26	22	16	18	e16	13	26	21	23	15	12	11	19
27	18	16	17	e16	13	22	22	22	13	11	11	30
28	18	17	17	e16	12	37	28	24	13	13	9.7	17
29	15	17	17	e15	---	51	24	27	13	12	9.6	15
30	14	16	17	e16	---	33	92	23	12	11	9.3	13

31	14	---	18	e17	---	27	---	24	---	11	9.6	---

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	16	13	16	18	21	13	25	464	21	12	26	15
2	39	15	17	17	19	13	23	306	20	12	37	14
3	25	16	15	18	26	13	23	125	22	14	27	11
4	65	16	14	17	24	13	114	104	19	15	48	11
5	51	16	15	18	19	13	144	375	18	42	22	9.4

6	28	14	15	19	17	13	71	150	18	34	33	9.5
7	24	12	15	18	16	13	63	104	18	27	38	9.9
8	19	11	15	18	23	14	61	89	58	25	23	9.8
9	18	13	16	18	18	15	60	343	52	34	18	10
10	17	18	14	17	16	16	72	229	28	31	15	9.4

11	16	17	18	17	14	14	54	156	24	19	14	9.5
12	15	18	16	17	14	35	44	115	21	16	13	9.1
13	15	18	14	17	14	43	37	93	20	14	12	12
14	16	16	15	16	14	30	35	96	20	13	13	27
15	17	19	16	16	13	30	31	145	20	84	13	21

16	15	17	15	15	13	29	29	85	18	42	12	14
17	13	17	15	15	14	28	27	67	15	33	13	13
18	16	18	46	15	13	25	25	55	19	51	12	13
19	15	23	46	15	13	24	26	46	36	23	11	12
20	14	18	28	14	13	37	30	41	20	18	11	12

21	14	17	25	13	13	31	27	36	16	35	10	13
22	14	18	23	12	13	26	26	31	15	20	11	16
23	14	17	21	e15	14	23	23	29	15	15	10	14
24	15	17	21	e15	14	21	21	26	14	14	9.7	13
25	26	17	19	e15	15	31	21	24	13	13	11	13

26	22	16	18	e16	13	26	21	23	15	12	11	19
27	18	16	17	e16	13	22	22	22	13	11	11	30
28	18	17	17	e16	12	37	28	24	13	13	9.7	17
29	15	17	17	e15	---	51	24	27	13	12	9.6	15
30	14	16	17	e16	---	33	92	23	12	11	9.3	13

31	14	---	18	e17	---	27	---	24	---	11	9.6	---