05531300 DATA: Discharge Tables, 2003

Station list Available data
ILLINOIS RIVER BASIN

05531300 SALT CREEK AT ELMHURST, IL


LOCATION.-- Lat 41°53'10", long 87°57'33" (NAD of 1927), in SW1/4NW1/4 sec.11, T.39 N., R.11 E., Du Page County, Hydrologic Unit 07120004, on left bank at upstream side of the Illinois Prairie Path Bikeway bridge in Elmhurst, and at mile 20.1.

DRAINAGE AREA.-- 91.5 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: June 1989 to current year.
	STAGE: Water years 1994 to current year.
	PARTIAL RECORD: Annual maximum, water years 1961-80.
PRECIPITATION: October 1989 to March 1996 and December 1996 to current year.

REVISED RECORDS.-- WDR IL-77-1: 1961-76(M).

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 652.65 ft above NGVD of 1929. Water years 1997 and 1998, datum incorrectly published as 655.00 ft above NGVD of 1929. Prior to October 1, 1996, at site 990 ft upstream at datum 2.35 ft higher. Prior to June 1, 1989, crest-stage gage at datum 7.84 ft higher.

REMARKS.-- Occasional regulation by sewage treatment plants upstream from station. Since May 28, 1996, some flow temporarily diverted for flood control to Elmhurst Quarry Flood Control Reservoir about 1.0 miles upstream from gage. Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 2,230 ft³/s, Aug. 27, 1972, gage height, 12.76 ft, datum 660.49 ft above NGVD of 1929, maximum gage height, 13.56 ft, Aug. 6, 1989; minimum discharge, 18 ft³/s, July 1, 1989.
PRECIPITATION: Maximum daily total, 3.67 in., September 11, 2000, but may have been greater during periods of missing record.

REMARKS FOR CURRENT YEAR.-- Records good.

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	64	47	50	51	52	42	84	945	108	42	271	81
2	106	46	51	50	57	44	78	1120	89	37	342	59
3	95	45	51	49	64	45	82	796	91	39	312	50
4	156	45	48	46	65	47	312	466	78	44	485	43
5	169	49	48	48	57	47	500	716	69	94	375	44

6	126	48	47	52	53	51	386	798	67	113	255	40
7	98	47	45	48	49	48	255	539	63	143	379	38
8	73	46	46	48	46	53	217	345	129	149	330	38
9	65	45	46	49	45	53	189	715	162	154	193	37
10	55	49	46	49	46	49	193	816	116	152	127	39

11	55	50	43	44	43	48	169	713	94	110	101	39
12	52	45	45	45	43	68	135	643	80	77	82	38
13	53	52	44	45	42	87	114	472	69	60	87	38
14	51	69	44	39	42	91	121	340	60	55	136	110
15	50	72	45	e39	43	88	126	430	55	273	127	100

16	47	54	46	39	42	94	117	394	52	301	100	66
17	46	48	45	40	42	98	93	272	49	211	63	52
18	53	49	145	41	44	92	67	200	76	166	54	45
19	49	59	171	41	42	90	66	165	159	96	51	40
20	48	58	130	42	43	110	67	174	119	76	49	37

21	48	64	99	41	43	113	67	161	85	208	48	36
22	43	69	77	40	44	98	65	134	67	212	44	50
23	40	57	66	e40	45	86	60	114	59	132	42	43
24	42	54	60	e40	47	75	57	94	54	92	39	41
25	71	54	56	e41	44	90	59	79	48	72	39	38

26	67	53	52	43	43	92	55	69	51	61	44	62
27	61	53	52	42	45	78	57	68	45	51	46	82
28	57	52	51	42	45	106	57	89	45	54	43	66
29	54	52	49	42	---	137	53	106	42	50	41	55
30	49	52	53	42	---	117	233	107	38	46	37	48

31	42	---	53	52	---	99	---	118	---	48	36	---

TOTAL	2085	1583	1904	1370	1316	2436	4134	12198	2319	3418	4378	1555
MEAN	67.3	52.8	61.4	44.2	47.0	78.6	138	393	77.3	110	141	51.8
MAX	169	72	171	52	65	137	500	1120	162	301	485	110
MIN	40	45	43	39	42	42	53	68	38	37	36	36
CFSM	0.74	0.58	0.67	0.48	0.51	0.86	1.51	4.30	0.85	1.21	1.54	0.57
IN.	0.85	0.64	0.77	0.56	0.54	0.99	1.68	4.96	0.94	1.39	1.78	0.63

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2003, BY WATER YEAR (WY)
MEAN	120	135	99.9	125	159	168	218	207	153	97.4	142	102
MAX	419	251	186	282	350	263	430	431	360	229	338	266
(WY)	2002	1991	1992	1993	1997	1993	1993	1996	1996	1993	1990	2001
MIN	56.8	47.9	46.1	44.2	47.0	70.2	99.4	58.4	53.1	38.1	50.7	48.8
(WY)	1993	2000	1990	2003	2003	2000	1994	1992	1992	1991	1991	1994

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1989 - 2003
ANNUAL TOTAL	49445		38696
ANNUAL MEAN	135		106		143
HIGHEST ANNUAL MEAN					196	1993
LOWEST ANNUAL MEAN					106	2003
HIGHEST DAILY MEAN	1160	Aug 23	1120	May 2	1450	Aug 21 1990
LOWEST DAILY MEAN	40	Oct 23	36	Aug 31,Sep 21	29	Jul 1 1989
ANNUAL SEVEN-DAY MINIMUM	45	Dec 11	38	Sep 7	32	Sep 16 1994
MAXIMUM PEAK FLOW			1170	May 2	1580	Aug 6 1989
MAXIMUM PEAK STAGE			10.61	May 2	13.56	Aug 6 1989
INSTANTANEOUS LOW FLOW			32	Sep 21	18	Jul 1 1989
ANNUAL RUNOFF (CFSM)	1.48		1.16		1.56
ANNUAL RUNOFF (INCHES)	20.11		15.74		21.25
10 PERCENT EXCEEDS	261		203		299
50 PERCENT EXCEEDS	80		55		86
90 PERCENT EXCEEDS	46		42		44