05534500 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05534500 NORTH BRANCH CHICAGO RIVER AT DEERFIELD, IL

LOCATION.-- Lat 42°09'10", long 87°49'07", in SW1/4SE1/4 sec.34, T.43 N., R.12 E., Lake County, Hydrologic Unit 07120003, on right bank at upstream side of bridge on Lake-Cook Road, 1.7 mi southeast of Deerfield, 5.7 mi upstream from Skokie River, and at mile 64.7.

DRAINAGE AREA.-- 19.7 mi².

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

DISCHARGE: August 1952 to current year.

STAGE: Water years 1994-2001.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 638.88 ft above sea level (Cook County Highway Department bench mark).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 933 ft³/s, Aug. 14, 1987, gage height, 11.52 ft; no flow at times in most years.

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

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	8.0	.99	e14	e4.4	57	35	18	10	54	.44	.67	5.3
2	5.7	1.9	14	e4.4	42	23	15	8.4	64	.56	43	3.1
3	6.1	1.7	12	e4.3	34	23	14	7.0	39	.44	11	2.8
4	36	1.3	11	e4.4	27	22	14	6.4	25	.35	4.2	2.5
5	26	1.1	8.9	e4.6	22	18	16	6.2	43	.28	2.0	2.8

6	29	4.6	7.3	e5.0	19	15	27	6.2	43	.28	1.2	7.8
7	23	31	6.9	e5.1	16	14	23	13	30	32	.88	9.5
8	18	18	e5.0	e5.2	34	13	19	14	19	16	.75	5.2
9	14	59	e1.0	e5.2	411	11	25	10	25	9.2	8.7	8.2
10	9.9	74	e1.6	e5.2	239	11	24	20	12	5.9	27	13

11	11	46	e1.4	e7.0	126	14	36	264	8.7	3.7	8.0	8.6
12	7.0	34	e1.4	e11	80	18	70	105	114	2.0	3.9	7.1
13	4.9	32	e1.5	18	51	21	45	47	67	1.5	2.7	5.2
14	4.2	26	e1.6	27	39	18	35	56	45	.90	2.3	4.1
15	2.8	20	e2.3	51	37	42	30	82	29	.70	1.1	2.2

16	2.3	17	e3.0	61	33	57	25	49	33	.50	17	1.6
17	2.1	15	e3.9	50	30	49	21	27	29	17	8.3	1.8
18	3.9	12	e4.2	39	22	49	18	18	31	11	4.9	3.5
19	6.0	10	e4.3	31	17	50	15	12	13	5.0	31	390
20	6.4	8.2	e4.2	26	21	50	26	8.4	6.2	3.6	21	179

21	6.3	7.4	e4.0	23	17	49	34	10	5.3	3.0	13	141
22	6.5	6.0	e3.5	20	14	42	35	9.8	4.3	7.5	33	89
23	6.4	4.6	e3.3	18	11	35	49	9.2	2.7	14	101	92
24	4.4	4.4	e3.1	14	42	29	37	8.6	2.1	14	33	94
25	2.1	5.6	e3.0	11	119	23	26	8.3	1.5	9.4	31	45

26	1.6	13	e3.0	11	59	19	21	17	1.2	5.9	36	31
27	3.9	e24	e3.1	9.6	43	16	18	102	.96	3.8	18	23
28	2.6	e21	e3.2	7.7	32	16	15	58	.69	2.6	13	17
29	1.3	e16	e3.4	18	---	16	13	49	.55	2.0	9.6	14
30	.97	e16	e3.8	78	---	14	11	27	.51	1.6	7.4	9.8

31	.97	---	e4.1	81	---	15	---	19	---	1.3	6.5	---

TOTAL	263.34	531.79	147.0	660.1	1694	827	775	1087.5	749.71	176.45	501.10	1219.1
MEAN	8.49	17.7	4.74	21.3	60.5	26.7	25.8	35.1	25.0	5.69	16.2	40.6
MAX	36	74	14	81	411	57	70	264	114	32	101	390
MIN	.97	.99	1.0	4.3	11	11	11	6.2	.51	.28	.67	1.6
CFSM	.43	.90	.24	1.08	3.07	1.35	1.31	1.78	1.27	.29	.82	2.06
IN.	.50	1.00	.28	1.25	3.20	1.56	1.46	2.05	1.42	.33	.95	2.30

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1953 - 2001, BY WATER YEAR (WY)
MEAN	6.91	13.2	14.5	12.8	19.7	34.4	37.6	20.5	16.1	10.0	8.59	9.27
MAX	42.8	76.3	95.9	62.8	64.2	153	109	108	64.3	59.7	59.9	70.5
(WY)	1987	1986	1983	1974	1997	1979	1999	1996	1996	1982	1990	1972
MIN	.094	.16	.048	.000	.082	3.89	6.40	2.16	.79	.44	.22	.023
(WY)	1961	1963	1963	1963	1963	1968	1986	1992	1963	1965	1966	1966

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1953 - 2001
ANNUAL TOTAL	7961.71		8632.09
ANNUAL MEAN	21.8		23.6		16.9
HIGHEST ANNUAL MEAN					32.2	1974
LOWEST ANNUAL MEAN					2.32	1963
HIGHEST DAILY MEAN	351	Apr 21	411	Feb 9	601	Dec 3 1982
LOWEST DAILY MEAN	.36	Sep 1,2	.28	Jul 5,6	.00	A
ANNUAL SEVEN-DAY MINIMUM	.54	Aug 27	.41	Jun 30	.00	Oct 5 1953
MAXIMUM PEAK FLOW			537	Sep 19	933	Aug 14 1987
MAXIMUM PEAK STAGE			10.35	Sep 19	11.52	Aug 14 1987
INSTANTANEOUS LOW FLOW			.22	Jul 5
ANNUAL RUNOFF (CFSM)	1.10		1.20		.86
ANNUAL RUNOFF (INCHES)	15.03		16.30		11.67
10 PERCENT EXCEEDS	57		49		42
50 PERCENT EXCEEDS	7.1		13		4.8
90 PERCENT EXCEEDS	1.3		1.6		.36

A - At times in most years.