05531300 DATA: Discharge Tables, 2004

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 except those for estimated daily discharges, which are poor.

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	42	43	72	71	46	139	249	83	1020	75	42	96
2	40	99	63	68	47	166	183	79	658	73	42	76
3	50	409	60	70	48	155	149	73	373	116	65	60
4	60	476	62	73	51	183	129	65	264	261	243	52
5	54	570	122	82	46	654	111	62	203	179	218	53

6	47	488	117	74	53	828	101	58	163	128	137	55
7	43	241	97	71	52	659	109	57	119	103	99	48
8	41	143	85	62	50	344	95	53	102	82	80	51
9	38	106	99	57	52	225	80	53	94	120	64	52
10	40	87	441	56	50	181	75	63	215	157	55	44

11	37	78	604	56	48	163	74	117	457	151	49	39
12	39	72	445	61	49	174	69	106	587	119	46	42
13	39	67	253	62	47	122	74	174	685	92	45	38
14	171	53	181	61	50	122	88	431	504	78	43	39
15	191	48	148	59	46	115	92	496	291	67	42	59

16	125	50	129	56	47	104	89	308	200	58	42	74
17	82	53	115	62	48	104	83	172	151	52	50	65
18	62	364	105	64	47	116	79	280	119	49	47	53
19	55	527	97	59	52	154	81	318	96	48	73	41
20	49	371	85	57	103	180	90	238	81	49	56	40

21	49	204	80	55	172	144	132	377	142	47	47	42
22	44	138	78	50	184	109	112	643	207	84	44	40
23	40	157	75	47	187	95	89	837	156	67	44	39
24	42	241	75	47	217	150	86	639	127	57	122	39
25	72	185	67	47	197	209	159	338	109	52	75	38

26	52	137	64	49	176	334	140	269	107	49	72	37
27	49	113	62	49	155	343	118	207	91	47	96	39
28	49	94	81	49	129	327	87	169	90	44	395	39
29	47	84	91	47	119	632	75	140	85	44	378	36
30	46	77	85	e47	---	631	75	392	79	46	207	38

31	46	---	78	e48	---	397	---	902	---	42	131	---

TOTAL	1841	5775	4216	1816	2568	8259	3173	8199	7575	2636	3149	1464
MEAN	59.4	192	136	58.6	88.6	266	106	264	252	85.0	102	48.8
MAX	191	570	604	82	217	828	249	902	1020	261	395	96
MIN	37	43	60	47	46	95	69	53	79	42	42	36
CFSM	0.65	2.10	1.49	0.64	0.97	2.91	1.16	2.89	2.76	0.93	1.11	0.53
IN.	0.75	2.35	1.71	0.74	1.04	3.36	1.29	3.33	3.08	1.07	1.28	0.60

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2004, BY WATER YEAR (WY)
MEAN	116	138	102	121	154	174	210	210	160	96.7	140	98.7
MAX	419	251	186	282	350	266	430	431	360	229	338	266
(WY)	2002	1991	1992	1993	1997	2004	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 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1989 - 2004
ANNUAL TOTAL	44956		50671
ANNUAL MEAN	123		138		143
HIGHEST ANNUAL MEAN					196	1993
LOWEST ANNUAL MEAN					106	2003
HIGHEST DAILY MEAN	1120	May 2	1020	Jun 1	1450	Aug 21 1990
LOWEST DAILY MEAN	36	Aug 31,Sep 21	36	Sep 29	29	Jul 1 1989
ANNUAL SEVEN-DAY MINIMUM	38	Sep 7	38	Sep 24	32	Sep 16 1994
MAXIMUM PEAK FLOW			1070	Jun 1	1580	Aug 6 1989
MAXIMUM PEAK STAGE			10.20	Jun 1	13.56	Aug 6 1989
INSTANTANEOUS LOW FLOW			28	Sep 29,30 A	18	Jul 1 1989
ANNUAL RUNOFF (CFSM)	1.35		1.51		1.56
ANNUAL RUNOFF (INCHES)	18.28		20.61		21.20
10 PERCENT EXCEEDS	284		335		300
50 PERCENT EXCEEDS	67		80		86
90 PERCENT EXCEEDS	41		44		44

	A - Part of each day.