05531300 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05531300 SALT CREEK AT ELMHURST, IL

LOCATION.-- Lat 41°53'12", long 87°57'34", 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 1994-2000.

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 sea level. Water years 1997 and 1998, datum incorrectly published as 655.00 ft above sea level. 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. For precipitation records, snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors.

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 sea level.
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 CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	199	44	47	50	49	99	47	131	179	64	226	42
2	115	47	42	45	50	89	51	124	230	83	188	38
3	145	47	51	58	51	72	51	107	195	499	131	40
4	275	45	76	78	48	68	54	71	136	491	100	37
5	212	45	396	70	49	63	48	65	183	273	96	39

6	125	41	446	67	47	62	49	58	229	155	140	37
7	85	43	255	61	53	58	68	53	163	105	167	37
8	70	44	147	56	47	54	124	84	114	78	99	39
9	62	50	104	63	52	58	124	246	89	71	72	36
10	59	51	90	94	61	54	102	289	73	254	62	40

11	58	60	72	100	72	57	90	246	118	336	52	179
12	55	66	62	91	68	59	77	302	201	210	46	600
13	51	51	60	75	68	57	68	219	210	129	43	735
14	50	44	59	68	69	55	62	143	261	95	46	541
15	46	46	74	61	63	67	55	107	182	73	42	310

16	51	44	72	59	68	69	88	106	136	63	42	168
17	53	42	68	56	66	52	292	106	105	59	107	114
18	53	40	65	56	67	46	278	156	82	51	113	89
19	47	41	61	53	77	48	296	288	71	47	82	71
20	51	41	62	56	82	97	776	288	89	45	64	81

21	46	43	60	50	90	110	1060	187	113	45	56	85
22	44	44	57	49	175	94	1010	137	102	43	49	129
23	47	65	53	54	304	97	674	112	80	41	47	322
24	45	63	53	50	394	108	430	92	148	41	44	433
25	45	53	49	51	471	108	294	75	352	40	42	293

26	45	50	49	46	322	80	226	65	308	39	38	166
27	45	48	48	46	210	69	199	71	178	39	55	119
28	40	47	50	47	145	65	170	130	125	39	57	97
29	42	48	48	45	116	56	152	135	94	48	50	75
30	41	45	51	49	---	52	131	132	77	86	47	63

31	45	---	48	53	---	52	---	138	---	118	42	---

TOTAL	2347	1438	2875	1857	3434	2175	7146	4463	4623	3760	2445	5055
MEAN	75.7	47.9	92.7	59.9	118	70.2	238	144	154	121	78.9	168
MAX	275	66	446	100	471	110	1060	302	352	499	226	735
MIN	40	40	42	45	47	46	47	53	71	39	38	36
CFSM	.83	.52	1.01	.65	1.29	.77	2.60	1.57	1.68	1.33	.86	1.84
IN.	.95	.58	1.17	.76	1.40	.88	2.91	1.82	1.88	1.53	.99	2.06

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2000, BY WATER YEAR (WY)
MEAN	102	143	107	140	158	177	233	192	156	101	135	92.4
MAX	204	251	186	282	350	263	430	431	360	229	338	168
(WY)	1999	1991	1992	1993	1997	1993	1993	1996	1996	1993	1990	2000
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1989 - 2000
ANNUAL TOTAL	55850		41618
ANNUAL MEAN	153		114		144
HIGHEST ANNUAL MEAN					196	1993
LOWEST ANNUAL MEAN					110	1994
HIGHEST DAILY MEAN	1250	Apr 24	1060	Apr 21	1450	Aug 21 1990
LOWEST DAILY MEAN	35	Sep 11	36	Sep 9	29	Jul 1 1989
ANNUAL SEVEN-DAY MINIMUM	39	Sep 5	38	Sep 3	32	Sep 16 1994
INSTANTANEOUS PEAK FLOW			1250	Apr 20	1580	Aug 6 1989
INSTANTANEOUS PEAK STAGE			11.21	Apr 20	13.56	Aug 6 1989
INSTANTANEOUS LOW FLOW			32	Sep 7	18	Jul 1 1989
ANNUAL RUNOFF (CFSM)	1.67		1.24		1.57
ANNUAL RUNOFF (INCHES)	22.71		16.93		21.33
10 PERCENT EXCEEDS	391		248		301
50 PERCENT EXCEEDS	74		67		87
90 PERCENT EXCEEDS	43		44		44