05539900 DATA: Discharge Tables, 2004

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.
BIOLOGICAL
	ALGAE: Pigment and biomass, Water year 1990.

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.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	13	14	24	30	19	57	77	33	278	21	15	21
2	13	39	21	29	18	72	62	27	129	20	15	20
3	15	111	20	29	18	54	55	26	96	23	17	19
4	19	75	20	29	18	61	51	26	80	27	107	18
5	15	168	47	30	17	370	45	22	64	23	38	17

6	14	63	36	25	17	191	41	21	52	21	24	16
7	15	36	30	25	19	106	35	22	46	20	20	18
8	12	28	27	25	20	88	34	20	41	20	18	15
9	13	24	31	25	20	66	33	20	43	31	18	17
10	13	22	287	24	19	56	33	28	104	45	17	15

11	13	21	173	25	20	46	31	48	149	26	16	15
12	15	19	99	26	19	39	30	30	370	24	17	15
13	15	16	78	25	19	35	29	85	192	21	16	15
14	64	15	62	24	19	44	28	183	110	19	16	13
15	37	16	56	24	20	38	29	119	85	18	16	15

16	21	16	49	23	20	34	28	74	67	17	17	20
17	17	17	46	25	19	38	28	56	59	17	19	16
18	15	185	39	27	19	44	28	98	51	17	17	14
19	15	128	38	24	20	46	29	63	43	17	35	15
20	15	68	35	24	65	44	37	55	38	16	20	15

21	13	46	33	22	83	37	54	134	64	17	17	14
22	13	39	33	21	64	35	34	395	67	22	16	14
23	13	48	34	21	87	34	30	219	39	18	15	14
24	13	84	33	22	84	76	29	119	36	16	19	14
25	18	49	31	22	64	74	70	101	35	16	27	14

26	16	38	27	22	55	124	39	84	33	15	21	14
27	18	33	27	21	48	89	32	70	29	15	30	14
28	15	28	43	19	43	121	29	57	28	15	125	14
29	15	27	40	19	42	329	26	46	27	15	59	14
30	15	25	34	18	---	126	29	207	23	14	33	14

31	14	---	31	18	---	94	---	499	---	15	27	---

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 2004, BY WATER YEAR (WY)
MEAN	27.5	33.5	34.0	30.2	39.7	53.4	61.2	49.0	40.1	26.4	30.2	29.5
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 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1961 - 2004
ANNUAL TOTAL	12380.5		16577
ANNUAL MEAN	33.9		45.3		37.8
HIGHEST ANNUAL MEAN					66.8	2002
LOWEST ANNUAL MEAN					6.41	1963
HIGHEST DAILY MEAN	464	May 1	499	May 31	824	Oct 14 2001
LOWEST DAILY MEAN	9.1	Sep 12	12	Oct 8	0.20	Jul 5 1963
ANNUAL SEVEN-DAY MINIMUM	9.6	Sep 6	14	Oct 5	0.26	Jul 5 1963
MAXIMUM PEAK FLOW			538	May 31	984 A	Dec 3 1982
MAXIMUM PEAK STAGE			8.26	May 31	10.91	Oct 14 2001
INSTANTANEOUS LOW FLOW			9.7	Oct 1	0.20	B
ANNUAL RUNOFF (CFSM)	1.19		1.59		1.33
ANNUAL RUNOFF (INCHES)	16.16		21.64		18.04
10 PERCENT EXCEEDS	63		88		77
50 PERCENT EXCEEDS	19		27		24
90 PERCENT EXCEEDS	12		15		8.2

	A - Gage height, 10.44 ft.
	B - July 1, 5, 8-12, 1963.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	13	14	24	30	19	57	77	33	278	21	15	21
2	13	39	21	29	18	72	62	27	129	20	15	20
3	15	111	20	29	18	54	55	26	96	23	17	19
4	19	75	20	29	18	61	51	26	80	27	107	18
5	15	168	47	30	17	370	45	22	64	23	38	17

6	14	63	36	25	17	191	41	21	52	21	24	16
7	15	36	30	25	19	106	35	22	46	20	20	18
8	12	28	27	25	20	88	34	20	41	20	18	15
9	13	24	31	25	20	66	33	20	43	31	18	17
10	13	22	287	24	19	56	33	28	104	45	17	15

11	13	21	173	25	20	46	31	48	149	26	16	15
12	15	19	99	26	19	39	30	30	370	24	17	15
13	15	16	78	25	19	35	29	85	192	21	16	15
14	64	15	62	24	19	44	28	183	110	19	16	13
15	37	16	56	24	20	38	29	119	85	18	16	15

16	21	16	49	23	20	34	28	74	67	17	17	20
17	17	17	46	25	19	38	28	56	59	17	19	16
18	15	185	39	27	19	44	28	98	51	17	17	14
19	15	128	38	24	20	46	29	63	43	17	35	15
20	15	68	35	24	65	44	37	55	38	16	20	15

21	13	46	33	22	83	37	54	134	64	17	17	14
22	13	39	33	21	64	35	34	395	67	22	16	14
23	13	48	34	21	87	34	30	219	39	18	15	14
24	13	84	33	22	84	76	29	119	36	16	19	14
25	18	49	31	22	64	74	70	101	35	16	27	14

26	16	38	27	22	55	124	39	84	33	15	21	14
27	18	33	27	21	48	89	32	70	29	15	30	14
28	15	28	43	19	43	121	29	57	28	15	125	14
29	15	27	40	19	42	329	26	46	27	15	59	14
30	15	25	34	18	---	126	29	207	23	14	33	14

31	14	---	31	18	---	94	---	499	---	15	27	---

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	13	14	24	30	19	57	77	33	278	21	15	21
2	13	39	21	29	18	72	62	27	129	20	15	20
3	15	111	20	29	18	54	55	26	96	23	17	19
4	19	75	20	29	18	61	51	26	80	27	107	18
5	15	168	47	30	17	370	45	22	64	23	38	17

6	14	63	36	25	17	191	41	21	52	21	24	16
7	15	36	30	25	19	106	35	22	46	20	20	18
8	12	28	27	25	20	88	34	20	41	20	18	15
9	13	24	31	25	20	66	33	20	43	31	18	17
10	13	22	287	24	19	56	33	28	104	45	17	15

11	13	21	173	25	20	46	31	48	149	26	16	15
12	15	19	99	26	19	39	30	30	370	24	17	15
13	15	16	78	25	19	35	29	85	192	21	16	15
14	64	15	62	24	19	44	28	183	110	19	16	13
15	37	16	56	24	20	38	29	119	85	18	16	15

16	21	16	49	23	20	34	28	74	67	17	17	20
17	17	17	46	25	19	38	28	56	59	17	19	16
18	15	185	39	27	19	44	28	98	51	17	17	14
19	15	128	38	24	20	46	29	63	43	17	35	15
20	15	68	35	24	65	44	37	55	38	16	20	15

21	13	46	33	22	83	37	54	134	64	17	17	14
22	13	39	33	21	64	35	34	395	67	22	16	14
23	13	48	34	21	87	34	30	219	39	18	15	14
24	13	84	33	22	84	76	29	119	36	16	19	14
25	18	49	31	22	64	74	70	101	35	16	27	14

26	16	38	27	22	55	124	39	84	33	15	21	14
27	18	33	27	21	48	89	32	70	29	15	30	14
28	15	28	43	19	43	121	29	57	28	15	125	14
29	15	27	40	19	42	329	26	46	27	15	59	14
30	15	25	34	18	---	126	29	207	23	14	33	14

31	14	---	31	18	---	94	---	499	---	15	27	---

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	13	14	24	30	19	57	77	33	278	21	15	21
2	13	39	21	29	18	72	62	27	129	20	15	20
3	15	111	20	29	18	54	55	26	96	23	17	19
4	19	75	20	29	18	61	51	26	80	27	107	18
5	15	168	47	30	17	370	45	22	64	23	38	17

6	14	63	36	25	17	191	41	21	52	21	24	16
7	15	36	30	25	19	106	35	22	46	20	20	18
8	12	28	27	25	20	88	34	20	41	20	18	15
9	13	24	31	25	20	66	33	20	43	31	18	17
10	13	22	287	24	19	56	33	28	104	45	17	15

11	13	21	173	25	20	46	31	48	149	26	16	15
12	15	19	99	26	19	39	30	30	370	24	17	15
13	15	16	78	25	19	35	29	85	192	21	16	15
14	64	15	62	24	19	44	28	183	110	19	16	13
15	37	16	56	24	20	38	29	119	85	18	16	15

16	21	16	49	23	20	34	28	74	67	17	17	20
17	17	17	46	25	19	38	28	56	59	17	19	16
18	15	185	39	27	19	44	28	98	51	17	17	14
19	15	128	38	24	20	46	29	63	43	17	35	15
20	15	68	35	24	65	44	37	55	38	16	20	15

21	13	46	33	22	83	37	54	134	64	17	17	14
22	13	39	33	21	64	35	34	395	67	22	16	14
23	13	48	34	21	87	34	30	219	39	18	15	14
24	13	84	33	22	84	76	29	119	36	16	19	14
25	18	49	31	22	64	74	70	101	35	16	27	14

26	16	38	27	22	55	124	39	84	33	15	21	14
27	18	33	27	21	48	89	32	70	29	15	30	14
28	15	28	43	19	43	121	29	57	28	15	125	14
29	15	27	40	19	42	329	26	46	27	15	59	14
30	15	25	34	18	---	126	29	207	23	14	33	14

31	14	---	31	18	---	94	---	499	---	15	27	---