05535070 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05535070 SKOKIE RIVER NEAR HIGHLAND PARK, IL

LOCATION.-- Lat 42°09'34", long 87°47'52", in NW1/4SE1/4 sec.35, T.43 N., R.12 E., Lake County, Hydrologic Unit 07120003, on right bank at downstream side of bridge on Clavey Road in Highland Park, and at mile 7.3.

DRAINAGE AREA.-- 21.1 mi².

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

DISCHARGE: August 1967 to current year.

STAGE: Water years 1994-2001.

REVISED RECORDS.-- WSP 2115: 1968. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 622.83 ft above sea level (city of Highland Park bench mark).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 895 ft³/s, Aug. 14, 1987, gage height, 9.09 ft; maximum gage height, 9.13, Feb. 21, 1997; no flow at times in 1988, 1989, 1991 and 2000.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of July 1938 reached a stage of 10.6 ft, discharge not determined, from information furnished by Highland Park City Engineer.

REMARKS FOR CURRENT YEAR.-- Records good 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	7.9	1.5	16	e4.7	62	25	16	6.0	69	.89	1.9	4.9
2	4.7	2.4	15	e4.6	49	21	11	5.7	75	.56	92	3.5
3	2.7	3.3	12	e4.6	36	20	8.7	4.9	41	.53	15	2.9
4	74	5.2	10	e4.8	29	17	7.6	4.0	28	1.2	6.6	2.8
5	28	1.6	7.8	e5.1	20	12	11	4.2	53	1.3	4.2	2.2

6	40	7.8	6.4	e5.2	16	11	32	4.5	45	1.1	4.0	8.7
7	19	66	5.3	e5.3	14	10	20	13	31	86	2.4	18
8	12	26	2.4	e5.3	42	8.9	14	15	20	24	2.4	9.1
9	6.9	119	1.7	e5.4	312	6.8	24	8.1	15	13	19	13
10	4.6	104	e1.5	e5.4	206	6.5	20	22	14	7.6	64	18

11	3.3	49	e1.5	e9.0	116	9.6	43	312	11	4.7	9.9	9.4
12	2.7	35	e1.5	e14	73	14	90	103	156	3.1	4.9	5.7
13	2.4	41	e1.6	22	54	17	42	46	65	2.4	5.2	3.4
14	2.5	29	e1.9	32	56	13	29	94	33	2.3	3.8	2.7
15	2.3	21	e2.7	55	51	49	27	141	21	2.0	3.1	2.3

16	2.7	17	e3.9	60	42	68	24	67	16	1.9	37	1.8
17	2.2	13	e4.4	47	31	57	20	39	12	48	15	1.3
18	2.1	10	e4.5	39	29	53	16	25	17	29	10	3.0
19	1.9	8.6	e4.4	33	25	54	12	17	8.4	13	83	573
20	1.6	8.1	e4.1	25	22	53	28	14	5.1	7.5	35	358

21	2.0	6.9	e3.8	e18	25	52	41	19	6.7	4.8	15	222
22	1.9	6.7	e3.6	e14	18	42	36	15	11	16	61	105
23	2.5	5.6	e3.4	e11	9.6	33	65	13	10	26	180	128
24	6.1	5.5	e3.3	e10	69	25	45	17	8.3	15	41	109
25	3.4	7.6	e3.2	e9.0	178	18	23	13	5.1	11	41	52

26	2.7	27	e3.2	e8.2	77	13	16	24	4.6	7.9	57	29
27	6.2	22	e3.3	e7.6	46	11	11	153	4.0	4.9	17	22
28	3.8	16	e3.5	8.1	32	10	8.4	70	3.6	3.1	14	18
29	1.7	18	e3.8	23	---	10	7.2	64	3.6	2.1	7.9	17
30	2.2	18	e4.2	112	---	10	6.6	33	1.2	1.8	6.4	14

31	2.4	---	e4.5	90	---	12	---	25	---	1.6	8.4	---

TOTAL	258.4	701.8	148.4	697.3	1739.6	761.8	754.5	1391.4	793.6	344.28	867.1	1759.7
MEAN	8.34	23.4	4.79	22.5	62.1	24.6	25.1	44.9	26.5	11.1	28.0	58.7
MAX	74	119	16	112	312	68	90	312	156	86	180	573
MIN	1.6	1.5	1.5	4.6	9.6	6.5	6.6	4.0	1.2	.53	1.9	1.3
CFSM	.40	1.11	.23	1.07	2.94	1.16	1.19	2.13	1.25	.53	1.33	2.78
IN.	.46	1.24	.26	1.23	3.07	1.34	1.33	2.45	1.40	.61	1.53	3.10

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2001, BY WATER YEAR (WY)
MEAN	12.0	18.3	19.0	17.0	25.3	36.0	40.4	25.7	22.3	16.3	16.9	17.0
MAX	51.4	69.9	79.3	60.3	71.0	119	118	90.5	64.4	55.0	69.7	98.0
(WY)	1987	1986	1983	1999	1997	1979	1999	1996	1969	1969	1987	1986
MIN	2.01	1.24	2.53	2.83	3.28	8.24	7.63	3.48	1.92	1.31	3.40	2.38
(WY)	1989	2000	1977	1977	1978	2000	1989	1992	1988	1991	1991	1982

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1967 - 2001
ANNUAL TOTAL	8810.24		10217.88
ANNUAL MEAN	24.1		28.0		22.2
HIGHEST ANNUAL MEAN					33.2	1993
LOWEST ANNUAL MEAN					7.83	1977
HIGHEST DAILY MEAN	487	Apr 21	573	Sep 19	734	Apr 23 1999
LOWEST DAILY MEAN	.00	Aug 15	.53	Jul 3	.00	A
ANNUAL SEVEN-DAY MINIMUM	.68	Aug 10	.97	Jun 30	.00	Jun 14 1988
MAXIMUM PEAK FLOW			762	Sep 19	895 B	Aug 14 1987
MAXIMUM PEAK STAGE			8.81	Sep 19	9.13	Feb 21 1997
INSTANTANEOUS LOW FLOW			.04	Jul 3
ANNUAL RUNOFF (CFSM)	1.14		1.33		1.05
ANNUAL RUNOFF (INCHES)	15.53		18.01		14.27
10 PERCENT EXCEEDS	53		65		49
50 PERCENT EXCEEDS	7.6		13		9.4
90 PERCENT EXCEEDS	1.7		2.4		2.2

	A - At times in 1988, 1989, 1991 and 2000.
	B - Gage height, 9.09 ft.