05530990 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05530990 SALT CREEK AT ROLLING MEADOWS, IL

LOCATION.-- Lat 42°03'37", long 88°00'59", in SW1/4NW1/4 sec.8, T.41 N., R.11 E., Cook County, Hydrologic Unit 07120004, on left bank at upstream side of bridge on Algonquin Road in Rolling Meadows, 0.25 mi downstream from Arlington Heights Branch Salt Creek, and at mile 35.6.

DRAINAGE AREA.-- 30.5 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1973 to current year. August 1950 to September 1971, and October 1972 to September 1973 at site 0.9 mi downstream, published as Salt Creek near Arlington Heights. Records may not be equivalent.

STAGE: Water years 1994-2000.

PARTIAL RECORD: Annual maximum, water year 1972.

REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-93-2: 1992.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 686.40 ft above sea level (Cook County Highway Department bench mark).

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

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	17	1.3	9.0	e1.3	e2.2	23	4.3	19	48	19	29	1.2
2	9.4	1.2	9.1	e2.0	e2.2	18	4.2	14	79	42	17	1.1
3	46	2.1	32	4.0	e2.3	15	4.2	9.6	33	254	6.1	.98
4	47	1.2	40	10	e2.3	13	3.9	8.4	27	70	3.2	.86
5	22	.92	194	6.4	e2.3	11	3.2	7.6	101	38	6.9	.73

6	12	.97	58	5.7	e2.3	10	3.0	6.3	45	21	5.0	.78
7	7.3	.93	30	4.5	e2.3	8.5	19	5.5	23	14	3.5	.78
8	4.9	1.3	19	3.9	e2.4	8.9	35	9.0	14	10	1.8	3.8
9	4.0	1.3	13	17	e3.0	13	21	78	9.7	9.1	1.4	1.5
10	3.4	.99	11	26	e4.0	8.2	13	59	8.7	180	1.3	.96

11	3.0	.89	8.1	19	e5.0	6.9	11	55	33	47	1.0	195
12	2.4	1.0	6.7	12	e7.0	5.9	8.0	51	36	21	.78	397
13	2.4	1.1	5.9	9.2	e6.2	5.2	6.6	32	57	11	.75	76
14	2.3	1.2	5.6	6.5	e5.6	4.6	5.6	17	42	8.1	.89	72
15	2.0	1.1	11	5.9	e5.4	5.2	4.9	10	28	3.6	.64	40

16	3.6	1.3	9.0	5.0	e5.2	7.5	28	19	23	2.1	.66	25
17	2.8	1.3	6.9	3.9	e6.4	5.7	99	18	17	1.4	42	14
18	1.9	1.1	6.0	e3.5	8.5	5.2	42	71	11	1.5	9.7	9.0
19	1.7	1.2	5.3	e3.2	15	5.9	113	132	7.8	1.1	4.0	6.2
20	1.7	1.4	e3.6	e2.8	15	39	481	49	28	.98	1.9	20

21	1.4	1.5	e3.0	e2.6	19	21	464	28	22	.98	1.4	18
22	1.2	1.5	e2.5	e2.5	74	14	162	19	9.4	.68	1.1	149
23	1.1	24	e2.2	e2.4	96	10	81	15	5.0	.57	1.1	294
24	1.1	13	e1.9	e2.3	183	11	64	11	74	.65	.96	101
25	.91	7.8	e1.5	e2.3	94	10	71	7.7	121	.50	.79	56

26	1.2	7.3	e1.3	e2.2	58	8.1	59	7.2	56	.39	34	36
27	1.2	6.9	e1.3	e2.0	47	8.9	44	18	39	.39	13	23
28	1.1	6.9	e1.4	e2.0	33	7.2	22	41	30	2.0	4.0	17
29	1.1	7.7	e1.7	e1.8	26	6.2	18	25	27	.63	2.2	13
30	1.5	8.5	e1.6	e2.3	---	5.4	15	17	21	2.9	1.8	8.9

31	1.2	---	e1.4	e2.2	---	4.8	---	35	---	78	1.5	---

TOTAL	209.81	108.90	503.0	176.4	734.6	326.3	1909.9	894.3	1075.6	842.57	199.37	1582.79
MEAN	6.77	3.63	16.2	5.69	25.3	10.5	63.7	28.8	35.9	27.2	6.43	52.8
MAX	47	24	194	26	183	39	481	132	121	254	42	397
MIN	.91	.89	1.3	1.3	2.2	4.6	3.0	5.5	5.0	.39	.64	.73
CFSM	.22	.12	.53	.19	.83	.35	2.09	.95	1.18	.89	.21	1.73
IN.	.26	.13	.61	.22	.90	.40	2.33	1.09	1.31	1.03	.24	1.93

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2000, BY WATER YEAR (WY)
MEAN	16.7	28.8	29.1	25.8	33.8	50.7	60.8	42.2	28.2	19.1	26.0	18.7
MAX	63.4	120	107	85.7	113	202	136	148	87.6	83.6	136	58.9
(WY)	1999	1986	1983	1999	1997	1979	1983	1996	1996	1993	1987	1986
MIN	2.42	2.32	.62	.13	2.43	10.5	9.73	7.33	3.15	3.00	2.56	1.63
(WY)	1980	1977	1977	1977	1978	2000	1989	1977	1988	1979	1986	1974

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1974 - 2000
ANNUAL TOTAL	12948.95		8563.54
ANNUAL MEAN	35.5		23.4		31.6
HIGHEST ANNUAL MEAN					52.1	1993
LOWEST ANNUAL MEAN					9.25	1977
HIGHEST DAILY MEAN	785	Apr 23	481	Apr 20	1180	Aug 14 1987
LOWEST DAILY MEAN	.00	Sep 8,9,11	.39	Jul 26,27	.00	A
ANNUAL SEVEN-DAY MINIMUM	.07	Sep 5	.59	Jul 21	.00	Jan 12 1977
INSTANTANEOUS PEAK FLOW			837	Sep 12	1650	Aug 14 1987
INSTANTANEOUS PEAK STAGE			7.78	Sep 12	14.03	Aug 14 1987
INSTANTANEOUS LOW FLOW			.24	Jul 29,30
ANNUAL RUNOFF (CFSM)	1.16		.77		1.04
ANNUAL RUNOFF (INCHES)	15.79		10.44		14.08
10 PERCENT EXCEEDS	82		56		73
50 PERCENT EXCEEDS	11		7.1		13
90 PERCENT EXCEEDS	.66		1.1		1.7

A - Jan. 12-Feb. 8, 1977, as a result of freezeup; Aug. 20, 25, 1986 and Sept. 8, 9, 11, 1999.