05534500 DATA: Discharge Tables, 2000

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 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Wayer 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).

REMARKS FOR CURRENT YEAR.-- Records fair 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	18	.49	.26	.93	1.4	19	5.2	14	e59	.39	32	.36
2	12	.38	.26	1.5	1.4	15	4.5	20	e60	5.4	19	.36
3	23	.28	1.3	2.3	1.4	12	3.9	9.9	e35	199	12	.84
4	35	.26	4.3	3.4	e1.4	9.8	3.5	8.2	e14	141	7.8	.85
5	18	.26	53	2.5	e1.4	8.4	2.5	7.0	e59	94	8.0	.87

6	12	.26	29	2.1	1.4	7.4	1.6	5.7	e35	51	7.2	.99
7	9.1	.40	17	1.8	1.5	6.3	8.6	4.8	24	37	3.7	.61
8	6.3	.25	16	1.5	e1.6	5.3	26	5.9	22	20	2.8	.80
9	4.6	.28	13	5.6	1.7	7.3	25	58	16	11	2.7	.37
10	3.4	.58	11	10	2.7	6.9	18	42	12	222	2.0	.43

11	1.9	.38	7.5	9.6	3.8	5.4	15	25	14	231	1.8	29
12	1.4	.34	5.5	7.2	4.5	4.4	15	30	24	138	1.7	90
13	1.4	.29	4.2	e4.1	3.7	3.4	12	24	105	102	1.9	32
14	1.5	.26	3.9	e3.2	3.5	2.7	9.8	19	116	124	1.7	35
15	1.7	.27	4.9	e2.9	3.3	3.1	8.0	16	97	62	1.6	26

16	1.6	.42	4.9	e2.5	4.0	4.4	8.8	14	55	36	1.6	16
17	1.3	.48	4.5	2.4	4.3	2.8	16	11	30	19	22	10
18	1.1	.33	5.2	2.1	4.1	2.1	10	72	15	7.3	13	7.0
19	.93	.34	3.2	2.0	7.4	2.9	36	259	3.3	3.7	5.3	4.2
20	.80	.37	e2.5	e1.8	17	20	270	124	12	2.6	3.8	7.0

21	1.0	.29	e1.9	1.6	10	22	351	e60	12	2.1	3.3	7.7
22	2.3	.27	1.5	1.5	34	19	173	e55	3.8	1.2	1.7	35
23	.97	1.9	e1.4	e1.5	74	17	139	e40	.68	.94	1.4	142
24	.48	.43	e1.0	e1.5	112	15	129	e16	3.5	1.1	1.3	79
25	.53	.57	.85	e1.4	94	13	86	e10	53	1.0	.94	47

26	.76	.46	e.86	e1.3	61	10	54	e12	68	.74	1.5	30
27	.30	.58	.76	e1.3	45	9.2	48	e25	52	1.6	.82	20
28	.30	.88	.79	1.2	33	7.9	23	e55	27	3.0	.48	13
29	.36	.36	1.0	1.2	24	7.8	14	e35	13	1.3	.56	8.2
30	.45	.27	.93	1.4	---	6.7	11	e20	1.9	2.1	.82	5.3

31	.46	---	.90	1.4	---	6.9	---	e57	---	33	.40	---

TOTAL	162.94	12.93	203.31	84.73	558.5	283.1	1527.4	1154.5	1042.18	1554.47	164.82	649.88
MEAN	5.26	.43	6.56	2.73	19.3	9.13	50.9	37.2	34.7	50.1	5.32	21.7
MAX	35	1.9	53	10	112	22	351	259	116	231	32	142
MIN	.30	.25	.26	.93	1.4	2.1	1.6	4.8	.68	.39	.40	.36
CFSM	.27	.02	.33	.14	.98	.46	2.58	1.89	1.76	2.55	.27	1.10
IN.	.31	.02	.38	.16	1.05	.53	2.88	2.18	1.97	2.94	.31	1.23

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1953 - 2000, BY WATER YEAR (WY)
MEAN	6.88	13.1	14.7	12.6	18.9	34.6	37.8	20.2	15.9	10.1	8.43	8.62
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1953 - 2000
ANNUAL TOTAL	9906.23		7398.76
ANNUAL MEAN	27.1		20.2		16.8
HIGHEST ANNUAL MEAN					32.2	1974
LOWEST ANNUAL MEAN					2.32	1963
HIGHEST DAILY MEAN	490	Apr 23	351	Apr 21	601	Dec 3 1982
LOWEST DAILY MEAN	.25	Nov 8	.25	Nov 8	.00	A
ANNUAL SEVEN-DAY MINIMUM	.28	Nov 3	.28	Nov 3	.00	Oct 5 1953
INSTANTANEOUS PEAK FLOW			437	Apr 21	933	Aug 14 1987
INSTANTANEOUS PEAK STAGE			9.78	Apr 21	11.52	Aug 14 1987
INSTANTANEOUS LOW FLOW			.21	Nov 9,July 2
ANNUAL RUNOFF (CFSM)	1.38		1.03		.85
ANNUAL RUNOFF (INCHES)	18.71		13.97		11.58
10 PERCENT EXCEEDS	69		55		41
50 PERCENT EXCEEDS	6.1		4.9		4.7
90 PERCENT EXCEEDS	.58		.47		.34

A - At times in most years.