05529500 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05529500 MCDONALD CREEK NEAR MOUNT PROSPECT, IL

LOCATION.-- Lat 42°05'43", long 87°54'46", in SW1/4SE1/4 sec.23, T.42 N., R.11 E., Cook County, Hydrologic Unit 07120004, on left bank at upstream side of bridge on Camp McDonald Road, 2.5 mi northeast of Mount Prospect, and at mile 2.0.

DRAINAGE AREA.-- 7.93 mi².

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

DISCHARGE: August 1952 to current year.

STAGE: Water years 1994-2001.

REVISED RECORDS.-- WSP 1915: 1958. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 639.12 ft above sea level (Cook County Highway Department bench mark). Prior to May 9, 1978, at site 55 ft downstream at same datum. Mar. 7 to Sept. 30, 1994, at temporary site 50 ft upstream at same datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 806 ft³/s, Aug. 14, 1987, gage height, 8.08 ft; no flow at times in several 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	1.9	1.1	2.1	e1.4	14	5.4	2.4	2.4	16	1.3	1.5	6.2
2	1.6	1.7	2.0	e1.4	8.3	4.4	2.1	2.1	18	1.2	1.9	4.1
3	2.0	1.1	1.7	e1.4	6.1	3.8	1.9	2.0	10	1.4	1.3	3.1
4	18	1.0	1.7	e1.4	5.0	3.2	1.7	1.6	7.2	1.2	1.1	2.4
5	9.1	.98	1.6	e1.5	4.3	2.6	4.6	1.7	16	1.1	1.0	2.1

6	8.0	5.6	e1.5	e1.6	3.8	2.3	8.7	1.9	15	1.2	.95	3.9
7	4.1	28	e1.4	e1.7	3.6	2.2	6.6	3.7	10	6.0	.93	4.8
8	2.6	10	e1.2	e1.6	16	2.2	3.2	3.4	7.3	2.8	.98	3.0
9	2.0	43	e1.0	e1.5	109	2.0	4.9	2.8	5.6	2.4	5.1	4.3
10	1.7	34	e1.0	e1.4	60	1.9	3.9	14	4.4	1.9	6.7	3.8

11	1.5	14	e1.0	e1.8	29	2.4	8.2	62	4.3	1.6	3.8	2.6
12	1.5	8.1	e1.0	e3.0	16	3.3	12	34	19	1.5	2.6	2.1
13	1.4	8.5	e1.1	4.9	11	3.3	6.3	20	12	1.3	2.8	1.8
14	1.3	5.9	e1.2	7.9	13	3.0	5.0	16	7.6	1.2	2.0	1.4
15	1.2	4.6	e1.2	12	12	14	5.3	11	5.6	1.2	1.7	1.3

16	1.5	3.8	e1.3	11	8.6	21	4.3	8.2	4.2	1.2	11	1.3
17	1.1	3.1	e1.3	8.2	6.1	19	4.1	6.2	3.2	2.6	5.7	1.4
18	1.1	2.4	e1.3	6.7	5.1	16	3.0	4.6	6.1	1.6	3.9	2.5
19	1.6	2.2	e1.2	5.3	4.7	14	2.9	3.6	4.3	1.6	11	170
20	1.5	2.0	e1.3	4.4	4.2	11	5.8	3.2	3.0	2.0	6.0	95

21	1.3	1.7	e1.3	4.5	3.7	9.2	8.4	4.3	3.4	1.9	3.8	79
22	1.5	1.7	e1.2	3.8	3.8	7.3	8.3	3.7	3.0	9.0	31	37
23	1.4	1.6	e1.2	3.3	3.2	6.1	16	3.4	2.6	8.4	52	35
24	3.1	1.6	e1.2	3.2	25	4.5	10	4.2	2.0	6.1	28	24
25	1.6	1.7	e1.1	3.2	45	3.4	6.9	3.9	2.0	19	25	12

26	1.6	3.7	e1.2	3.4	21	3.0	5.6	7.0	1.8	7.7	35	8.0
27	1.6	2.8	e1.2	3.2	11	2.7	3.8	17	1.5	4.5	17	5.6
28	1.2	2.2	e1.2	3.1	7.0	2.5	3.0	10	1.9	2.9	9.9	4.0
29	1.0	2.6	e1.2	9.7	---	2.4	2.7	7.3	2.0	2.4	5.6	3.1
30	1.0	2.3	e1.2	32	---	2.2	2.5	5.6	1.6	2.2	5.4	2.5

31	1.1	---	e1.5	24	---	2.3	---	6.9	---	1.8	14	---

TOTAL	81.1	202.98	40.6	173.5	459.5	182.6	164.1	277.7	200.6	102.2	298.66	527.3
MEAN	2.62	6.77	1.31	5.60	16.4	5.89	5.47	8.96	6.69	3.30	9.63	17.6
MAX	18	43	2.1	32	109	21	16	62	19	19	52	170
MIN	1.0	.98	1.0	1.4	3.2	1.9	1.7	1.6	1.5	1.1	.93	1.3
CFSM	.33	.85	.17	.71	2.07	.74	.69	1.13	.84	.42	1.21	2.22
IN.	.38	.95	.19	.81	2.16	.86	.77	1.30	.94	.48	1.40	2.47

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 2001, BY WATER YEAR (WY)
MEAN	3.57	5.21	4.88	4.59	6.42	9.82	12.1	7.64	7.20	4.66	4.99	4.25
MAX	16.9	28.5	27.2	20.7	26.5	36.2	35.0	31.3	33.5	26.2	39.7	23.9
(WY)	1955	1986	1983	1999	1997	1979	1999	1996	1970	1957	1987	1972
MIN	.000	.000	.000	.000	.000	1.58	2.05	1.46	.50	.019	.000	.000
(WY)	1953	1954	1954	1954	1954	1956	1989	1988	1963	1953	1953	1953

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1952 - 2001
ANNUAL TOTAL	2220.36		2710.84
ANNUAL MEAN	6.07		7.43		6.28
HIGHEST ANNUAL MEAN					11.7	1972
LOWEST ANNUAL MEAN					1.17	1963
HIGHEST DAILY MEAN	116	Apr 21	170	Sep 19	476	Aug 14 1987
LOWEST DAILY MEAN	.37	Jul 29,30	.93	Aug 7	.00	A
ANNUAL SEVEN-DAY MINIMUM	.40	Jul 24	1.1	Dec 8	.00	Sep 12 1952
MAXIMUM PEAK FLOW			206	Sep 19	806	Aug 14 1987
MAXIMUM PEAK STAGE			5.27	Sep 19	8.08	Aug 14 1987
INSTANTANEOUS LOW FLOW			.73	Jul 6
ANNUAL RUNOFF (CFSM)	.77		.94		.79
ANNUAL RUNOFF (INCHES)	10.42		12.72		10.75
10 PERCENT EXCEEDS	15		16		14
50 PERCENT EXCEEDS	2.1		3.2		2.2
90 PERCENT EXCEEDS	.62		1.2		.06

A - At times in several years.