05532000 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05532000 ADDISON CREEK AT BELLWOOD, IL

LOCATION.-- Lat 41°52'54", long 87°52'09", in SW1/4SE1/4 sec.9, T.39 N., R.12 E., Cook County, Hydrologic Unit 07120004, on right bank at downstream side of bridge on Washington Boulevard in Bellwood, 1,050 ft upstream from railroad bridge, and at mile 3.2.

DRAINAGE AREA.-- 17.9 mi².

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

DISCHARGE: August 1950 to June 1951, October 1951 to current year.

STAGE: Water years 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1979-91.

REVISED RECORDS.-- WSP 1338: 1952. WSP 1708: 1958, 1959(P). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 617.65 ft above sea level (Cook County Highway Department bench mark). Prior to Oct. 26, 1951, at datum 2.00 ft higher.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,120 ft³/s, Aug. 14, 1987, gage height, 12.84 ft; no flow Sept. 14, 1962.

REMARKS FOR CURRENT YEAR.-- Records good except those for Sept. 5-11, which are fair, and 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	9.6	5.6	5.9	5.8	e4.8	13	7.1	16	36	9.2	29	9.6
2	8.9	6.0	6.6	5.8	e5.0	9.3	7.0	13	41	17	22	5.3
3	43	6.0	13	10	e5.3	8.8	7.0	10	16	126	20	12
4	41	6.0	21	22	e5.7	8.5	7.5	10	12	46	6.0	29
5	12	7.5	122	8.1	e5.5	7.5	6.6	10	37	24	20	25

6	8.9	7.5	57	8.7	e5.4	7.2	7.0	11	16	14	25	8.6
7	8.0	5.3	45	7.0	e5.5	7.8	27	9.0	12	9.1	33	11
8	8.0	5.3	25	9.0	e5.8	7.7	38	23	10	10	24	13
9	7.5	6.1	18	11	e6.2	8.1	14	136	10	7.3	20	30
10	6.5	5.9	12	20	e7.5	6.9	9.9	56	8.4	95	8.1	17

11	6.1	6.1	8.5	11	e8.8	6.2	12	57	45	42	5.8	86
12	7.5	5.8	7.2	8.7	e8.4	5.9	9.1	101	65	12	6.0	154
13	7.1	5.7	6.6	8.0	e7.9	6.4	8.6	72	42	16	6.4	67
14	7.1	4.7	8.0	8.0	e7.3	6.6	8.0	38	65	15	5.5	86
15	6.7	4.5	13	8.2	e7.4	42	8.1	31	48	5.2	5.9	55

16	13	6.0	10	6.2	e7.9	41	30	39	30	4.6	5.7	22
17	6.8	5.5	8.4	e6.0	9.0	17	77	23	17	4.2	47	18
18	6.1	5.9	7.5	e5.8	11	8.1	35	52	12	4.2	20	13
19	6.7	5.8	7.1	e5.6	14	8.8	65	46	11	12	9.6	13
20	6.1	6.0	e6.7	e5.4	14	41	206	21	25	4.4	7.7	31

21	6.1	5.1	e6.3	e5.2	24	15	126	16	20	3.8	7.2	17
22	6.3	5.1	e6.0	e5.1	46	11	90	15	12	4.2	6.7	64
23	5.7	40	e5.8	e5.0	34	10	76	12	12	3.9	11	57
24	5.1	19	e5.7	e4.8	82	24	58	10	64	4.6	8.4	35
25	5.3	7.0	e5.7	e4.7	46	11	54	9.1	57	13	7.6	16

26	7.1	5.8	e5.6	e4.7	22	9.2	52	9.6	38	15	11	12
27	6.7	6.4	e5.6	e4.6	17	16	44	26	40	12	8.1	10
28	6.9	5.1	e5.8	e4.6	12	9.9	38	59	29	4.1	11	9.8
29	5.9	4.9	e6.2	e4.7	12	8.9	32	21	22	3.9	11	8.7
30	5.9	5.9	e6.0	e5.0	---	8.5	15	29	12	33	12	8.0

31	6.1	---	5.6	e4.9	---	8.1	---	54	---	46	11	---

TOTAL	293.7	221.5	472.8	233.6	447.4	399.4	1174.9	1034.7	864.4	620.7	431.7	943.0
MEAN	9.47	7.38	15.3	7.54	15.4	12.9	39.2	33.4	28.8	20.0	13.9	31.4
MAX	43	40	122	22	82	42	206	136	65	126	47	154
MIN	5.1	4.5	5.6	4.6	4.8	5.9	6.6	9.0	8.4	3.8	5.5	5.3
CFSM	.53	.41	.85	.42	.86	.72	2.19	1.86	1.61	1.12	.78	1.76
IN.	.61	.46	.98	.49	.93	.83	2.44	2.15	1.80	1.29	.90	1.96

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 2000, BY WATER YEAR (WY)
MEAN	12.6	14.6	13.9	13.1	15.6	23.0	27.0	20.0	17.3	14.1	16.3	13.9
MAX	46.5	44.5	53.5	39.2	51.5	72.6	59.0	57.9	41.5	46.6	103	61.4
(WY)	1955	1986	1983	1993	1997	1979	1983	1990	1993	1957	1987	1961
MIN	.22	.46	1.63	.98	1.38	6.69	7.87	4.25	1.64	.68	.42	.31
(WY)	1953	1954	1954	1954	1963	1956	1971	1952	1956	1955	1953	1952

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1950 - 2000
ANNUAL TOTAL	8115.7		7137.8
ANNUAL MEAN	22.2		19.5		16.8
HIGHEST ANNUAL MEAN					27.6	1983
LOWEST ANNUAL MEAN					3.98	1953
HIGHEST DAILY MEAN	190 A	Apr 9	206	Apr 20	768	Aug 14 1987
LOWEST DAILY MEAN	2.6	Sep 9	3.8	Jul 21	.00	Sep 14 1962
ANNUAL SEVEN-DAY MINIMUM	3.2	Sep 3	4.7	Jan 23	.10	Oct 6 1952
INSTANTANEOUS PEAK FLOW			477	Apr 20	1120	Aug 14 1987
INSTANTANEOUS PEAK STAGE			7.31	Apr 20	12.84	Aug 14 1987
INSTANTANEOUS LOW FLOW			2.9	Nov 15, Aug 27
ANNUAL RUNOFF (CFSM)	1.24		1.09		.94
ANNUAL RUNOFF (INCHES)	16.87		14.83		12.79
10 PERCENT EXCEEDS	55		46		37
50 PERCENT EXCEEDS	9.9		9.6		8.4
90 PERCENT EXCEEDS	4.9		5.4		2.5

A - Estimated.