USGS CD-ROM: Current Year Discharge

05535070 SKOKIE RIVER NEAR HIGHLAND PARK, IL

LOCATION.--Lat 42°09'34", long 87°47'52", in NW¼SE¼ 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.--August 1967 to current year.

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

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

REMARKS.--Records good except those for estimated daily discharges, which are poor. Recording rain gage and gage-height telemeter at station.

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

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	.87	3.6	14	6.3	22	16	102	23	3.9	47	.80	.74
2	1.0	2.8	11	8.2	54	15	69	23	4.6	37	.73	.67
3	1.2	2.5	14	19	36	16	43	23	3.3	72	.77	.79
4	2.7	2.7	13	74	28	14	30	20	3.1	119	18	.77
5	.86	2.7	9.4	73	21	13	23	22	5.8	55	11	.61

6	.63	20	7.2	74	18	13	20	20	6.0	50	3.0	.58
7	.71	8.8	5.9	102	18	12	30	162	3.4	76	12	28
8	.91	5.6	5.0	80	16	146	172	132	3.2	45	27	1.9
9	2.2	3.9	6.7	100	14	193	189	55	16	36	6.2	1.0
10	1.2	3.0	39	50	13	108	88	31	13	32	1.9	.79

11	.95	2.7	39	26	87	54	46	23	41	29	1.3	.63
12	.80	2.2	21	21	109	33	30	19	37	27	1.2	.62
13	9.5	1.9	14	e19	55	27	26	58	35	23	.98	.70
14	6.4	2.8	9.8	e17	32	24	26	29	22	19	.70	6.2
15	2.2	15	8.9	e15	24	22	26	22	17	7.1	.57	23

16	1.4	9.9	9.7	e14	26	24	102	18	14	2.7	.63	2.0
17	1.3	7.4	9.0	e13	60	65	75	14	12	2.4	.61	1.5
18	1.2	5.6	7.8	e12	77	269	37	13	31	2.3	.56	1.3
19	1.2	5.6	7.2	e11	43	166	26	22	66	6.7	.57	.75
20	1.3	6.0	6.3	e10	32	71	31	13	31	3.5	.58	7.1

21	1.4	14	5.8	e9.6	25	43	47	16	23	3.0	.58	3.0
22	1.5	14	9.9	e9.0	21	31	33	14	16	1.7	.64	.97
23	.83	12	8.4	e8.6	23	35	24	10	12	1.5	.58	.81
24	2.3	8.1	8.4	e8.4	23	33	20	26	7.9	1.3	.61	.84
25	2.7	6.1	25	8.4	17	24	18	11	14	1.2	24	.73

26	22	7.7	16	8.7	15	21	55	9.0	275	1.6	1.6	.77
27	53	10	10	9.2	25	17	42	7.6	165	1.4	1.0	.73
28	14	14	8.5	9.6	17	21	26	5.0	187	1.3	8.7	.56
29	10	13	8.0	14	---	23	27	9.4	98	.92	2.8	.59
30	6.8	18	7.2	12	---	16	24	9.9	59	.89	1.2	.79

31	5.0	---	6.2	12	---	93	---	6.9	---	1.0	.91	---

TOTAL	158.06	231.6	371.3	854.0	951	1658	1507	866.8	1225.2	707.51	131.72	89.44
MEAN	5.10	7.72	12.0	27.5	34.0	53.5	50.2	28.0	40.8	22.8	4.25	2.98
MAX	53	20	39	102	109	269	189	162	275	119	27	28
MIN	.63	1.9	5.0	6.3	13	12	18	5.0	3.1	.89	.56	.56
CFSM	.24	.37	.57	1.31	1.61	2.53	2.38	1.33	1.94	1.08	.20	.14
IN.	.28	.41	.65	1.51	1.68	2.92	2.66	1.53	2.16	1.25	.23	.16

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 1998, BY WATER YEAR (WY)
MEAN	11.8	18.6	20.1	15.8	24.0	37.5	38.2	24.3	20.9	15.7	17.2	15.5
MAX	51.4	69.9	79.3	56.3	71.0	119	83.2	90.5	64.4	55.0	69.7	98.0
(WY)	1987	1986	1983	1974	1997	1979	1993	1996	1969	1969	1987	1986
MIN	2.01	4.23	2.53	2.83	3.28	8.60	7.63	3.48	1.92	1.31	3.40	2.38
(WY)	1989	1977	1977	1977	1978	1968	1989	1992	1988	1991	1991	1982

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1967 - 1998
ANNUAL TOTAL	6573.17		8751.63
ANNUAL MEAN	18.0		24.0		21.6
HIGHEST ANNUAL MEAN					33.2	1993
LOWEST ANNUAL MEAN					7.83	1977
HIGHEST DAILY MEAN	647	Feb 21	275	Jun 26	647	Feb 21 1997
LOWEST DAILY MEAN	.39	Jul 17	.56	Aug 18,Sep 28	.00	A
ANNUAL SEVEN-DAY MINIMUM	.91	Sep 9	.59	Aug 15	.00	Jun 14 1988
INSTANTANEOUS PEAK FLOW			300	Mar 18,Jun 26	895 B	Aug 14 1987
INSTANTANEOUS PEAK STAGE			6.79	Mar 18,Jun 26	9.13	Feb 21 1997
INSTANTANEOUS LOW FLOW			.43	Oct 6
ANNUAL RUNOFF (CFSM)	.85		1.14		1.03
ANNUAL RUNOFF (INCHES)	11.59		15.43		13.93
10 PERCENT EXCEEDS	39		58		47
50 PERCENT EXCEEDS	8.6		13		9.4
90 PERCENT EXCEEDS	1.2		.84		2.3

A - At times in 1988-89, 1991.
B - Gage height, 9.09 ft.