05535070 DATA: Discharge Tables, 2000

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 1994-2000.

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

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

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 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	18	.86	1.2	e2.1	e2.2	15	4.0	19	66	17	37	.51
2	15	.49	1.2	e2.5	e2.3	11	4.6	14	53	26	22	1.4
3	55	.39	2.8	4.2	e2.4	8.5	3.6	12	32	295	15	1.5
4	55	.41	9.3	7.2	e2.5	7.6	3.5	9.8	28	156	9.8	1.1
5	22	.48	83	5.1	e2.3	6.7	3.1	7.1	96	58	9.3	.79

6	16	.44	28	4.4	e2.3	5.9	3.6	4.6	58	34	11	.40
7	13	.69	17	3.1	e2.4	5.8	11	4.2	32	28	6.9	.44
8	11	.42	14	2.6	e2.6	5.5	29	4.8	25	26	4.4	.59
9	7.7	.88	11	8.6	e3.4	8.7	19	34	15	22	2.2	1.2
10	4.8	1.8	7.8	11	5.8	5.6	15	35	11	275	1.4	.71

11	3.2	.94	5.6	8.2	7.4	3.8	11	52	27	244	.71	58
12	2.6	.25	4.8	e4.5	6.0	4.3	7.9	49	44	76	.13	158
13	2.9	.55	3.5	e3.5	4.2	3.3	7.2	29	92	38	1.4	32
14	3.8	1.5	4.1	e2.7	5.8	4.1	7.0	15	87	35	.89	44
15	3.0	1.3	6.1	e3.2	5.5	3.5	5.1	9.1	54	29	.00	25

16	6.5	.96	7.8	e2.0	5.3	6.0	7.6	12	34	25	.20	14
17	6.6	1.5	4.6	2.2	5.1	3.8	14	10	29	20	32	8.6
18	2.2	1.3	4.5	2.9	6.5	3.8	7.1	112	24	16	19	4.3
19	1.6	1.6	3.2	2.7	8.6	4.3	42	419	17	17	9.0	3.7
20	1.5	1.5	e2.9	2.9	8.9	31	306	251	27	15	4.5	8.0

21	1.4	1.3	2.8	2.7	11	21	487	100	28	14	2.6	11
22	1.3	1.3	3.4	e2.4	48	15	150	69	16	12	2.1	69
23	.76	5.9	1.6	e2.3	70	12	57	57	12	10	1.4	259
24	.79	3.3	e2.1	e2.2	96	12	37	34	23	6.0	1.4	100
25	1.7	1.8	e1.8	e2.1	59	9.7	33	29	47	2.2	.64	53

26	1.8	1.4	e1.9	e2.0	39	7.7	27	26	33	.92	1.8	33
27	1.6	.53	e1.7	e2.0	30	7.6	22	33	28	1.5	1.5	23
28	2.3	1.2	e2.0	e1.9	21	6.6	20	82	23	1.2	.81	16
29	2.0	.98	e2.3	e2.1	19	6.2	18	55	21	.87	.61	12
30	.49	1.1	e2.0	e2.2	---	5.1	14	35	20	5.5	.69	9.7

31	1.5	---	e1.8	e2.2	---	4.2	---	43	---	51	.73	---

TOTAL	267.04	37.07	245.8	109.7	484.5	255.3	1376.3	1665.6	1102	1557.19	201.11	949.94
MEAN	8.61	1.24	7.93	3.54	16.7	8.24	45.9	53.7	36.7	50.2	6.49	31.7
MAX	55	5.9	83	11	96	31	487	419	96	295	37	259
MIN	.49	.25	1.2	1.9	2.2	3.3	3.1	4.2	11	.87	.00	.40
CFSM	.41	.06	.38	.17	.79	.39	2.17	2.55	1.74	2.38	.31	1.50
IN.	.47	.07	.43	.19	.85	.45	2.43	2.94	1.94	2.75	.35	1.67

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2000, BY WATER YEAR (WY)
MEAN	12.1	18.2	19.4	16.8	24.2	36.3	40.8	25.2	22.1	16.4	16.6	15.8
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1967 - 2000
ANNUAL TOTAL	10527.35		8251.55
ANNUAL MEAN	28.8		22.5		22.0
HIGHEST ANNUAL MEAN					33.2	1993
LOWEST ANNUAL MEAN					7.83	1977
HIGHEST DAILY MEAN	734	Apr 23	487	Apr 21	734	Apr 23 1999
LOWEST DAILY MEAN	.04	Aug 6	.00	Aug 15	.00	A
ANNUAL SEVEN-DAY MINIMUM	.47	Nov 2	.47	Nov 2	.00	Jun 14 1988
INSTANTANEOUS PEAK FLOW			634	Apr 21	895 B	Aug 14 1987
INSTANTANEOUS PEAK STAGE			8.36	Apr 21	9.13	Feb 21 1997
ANNUAL RUNOFF (CFSM)	1.37		1.07		1.04
ANNUAL RUNOFF (INCHES)	18.56		14.55		14.15
10 PERCENT EXCEEDS	60		53		48
50 PERCENT EXCEEDS	7.8		6.5		9.3
90 PERCENT EXCEEDS	.86		1.1		2.2

A - At times in 1988, 89, 91 and 2000.
B - Gage height, 9.09 ft.