05531300 DATA: Discharge Tables, 2002

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 1994-2002.
	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, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	160	206	218	63	104	93	131	116	55	50	51	92
2	144	183	160	60	103	104	145	257	56	55	50	140
3	126	159	135	61	95	128	133	349	59	50	43	258
4	150	141	113	58	89	122	133	225	590	52	50	212
5	282	132	101	57	80	114	119	144	1110	45	89	158

6	240	125	93	59	75	115	96	120	1050	42	71	130
7	181	121	88	61	78	147	120	112	648	43	55	108
8	148	114	81	58	82	322	256	89	356	50	50	100
9	97	111	77	57	102	677	575	127	268	361	46	95
10	83	106	74	58	169	659	575	117	280	207	44	92

11	89	103	70	64	188	416	364	255	266	120	45	88
12	165	101	75	56	163	269	231	915	245	85	44	85
13	666	98	129	57	140	226	176	1060	188	63	179	82
14	1350	107	152	57	119	176	142	659	175	63	486	69
15	1410	108	134	58	109	151	126	293	159	78	393	41

16	1030	105	120	59	99	127	126	302	134	65	187	42
17	663	99	125	68	95	115	143	501	110	48	112	41
18	394	98	116	71	88	106	136	442	96	53	82	58
19	288	110	116	68	115	99	103	295	88	46	84	59
20	244	105	115	66	250	93	129	224	81	54	129	161

21	208	80	108	67	350	94	147	180	77	48	123	169
22	196	60	98	69	278	94	195	151	76	48	768	160
23	519	57	110	72	194	84	158	116	66	45	1160	161
24	880	73	110	75	157	81	146	121	64	46	997	112
25	1000	115	94	76	134	81	152	112	71	44	660	80

26	737	142	85	72	121	79	117	108	62	48	390	65
27	463	144	82	72	113	76	136	90	61	59	287	59
28	315	129	78	73	100	74	221	82	57	64	231	53
29	270	133	73	72	---	130	186	79	52	64	186	66
30	260	179	69	71	---	181	145	68	53	64	155	74

31	235	---	65	84	---	149	---	67	---	54	120	---

TOTAL	12993	3544	3264	2019	3790	5382	5562	7776	6653	2214	7367	3110
MEAN	419.1	118.1	105.3	65.13	135.4	173.6	185.4	250.8	221.8	71.42	237.6	103.7
MAX	1410	206	218	84	350	677	575	1060	1110	361	1160	258
MIN	83	57	65	56	75	74	96	67	52	42	43	41
CFSM	4.58	1.29	1.15	0.71	1.48	1.90	2.03	2.74	2.42	0.78	2.60	1.13
IN.	5.28	1.44	1.33	0.82	1.54	2.19	2.26	3.16	2.71	0.90	3.00	1.26

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2002, BY WATER YEAR (WY)
MEAN	124.1	140.8	102.9	131.4	167.3	174.7	223.8	192.2	158.8	96.53	142.2	105.6
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	56.2	76.8	70.2	99.4	58.4	53.1	38.1	50.7	48.8
(WY)	1993	2000	1990	1994	1996	2000	1994	1992	1992	1991	1991	1994

SUMMARY STATISTICS	FOR 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1989 - 2002
ANNUAL TOTAL	63670		63674
ANNUAL MEAN	174.4		174.4		145.9
HIGHEST ANNUAL MEAN					196	1993
LOWEST ANNUAL MEAN					110	1994
HIGHEST DAILY MEAN	1410	Oct 15	1410	Oct 15	1450	Aug 21 1990
LOWEST DAILY MEAN	33	Jul 15	41	Sep 15,17	29	Jul 1 1989
ANNUAL SEVEN-DAY MINIMUM	38	Jul 10	47	Jul 19	32	Sep 16 1994
MAXIMUM PEAK FLOW			1520	Oct 13	1580	Aug 6 1989
MAXIMUM PEAK STAGE			11.73	Oct 13	13.56	Aug 6 1989
INSTANTANEOUS LOW FLOW			21	Jul 31	18	Jul 1 1989
ANNUAL RUNOFF (CFSM)	1.91		1.91		1.60
ANNUAL RUNOFF (INCHES)	25.89		25.90		21.67
10 PERCENT EXCEEDS	352		349		302
50 PERCENT EXCEEDS	111		110		89
90 PERCENT EXCEEDS	53		56		45