05528500 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05528500 BUFFALO CREEK NEAR WHEELING, IL

LOCATION.-- Lat 42°09'06", long 87°57'26", in NE1/4NW1/4 sec.4, T.42 N., R.11 E., Cook County, Hydrologic Unit 07120004, on left bank at downstream side of bridge on Short Aptakisic Road, 1.0 mi downstream from unnamed tributary, 2.5 mi west of Wheeling, and at mile 5.0.

DRAINAGE AREA.-- 19.6 mi².

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

DISCHARGE: August 1952 to current year.

STAGE: Water years 1994-2001.

REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-94-2: 1986-93 (P), 1993.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 658.60 ft above sea level (Cook County Highway Department bench mark).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 887 ft³/s, July 22, 1982, gage height, 7.94 ft; no flow at times in several years.

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	8.1	2.0	12	e7.9	57	28	9.8	3.0	44	1.7	1.3	4.1
2	5.6	2.7	11	e7.8	46	23	8.6	2.6	58	1.5	1.9	3.2
3	6.1	2.5	9.6	e7.8	33	21	7.1	2.2	45	1.4	1.2	3.6
4	30	2.2	8.8	e7.8	24	18	6.7	1.8	33	1.2	.90	3.1
5	24	1.9	8.0	e7.8	19	16	10	1.7	42	.81	.97	1.7

6	21	15	7.9	e8.4	17	13	17	1.8	46	.68	.70	4.1
7	15	68	7.5	e8.9	17	13	15	6.5	37	15	.35	5.7
8	12	53	6.2	e9.1	45	14	9.2	6.8	29	9.3	.28	6.5
9	8.8	103	6.0	e8.9	195	12	17	4.3	23	4.5	15	11
10	6.6	118	5.8	e8.4	193	11	17	32	16	2.6	19	9.6

11	5.2	85	e5.8	e8.4	169	11	25	164	14	1.5	9.3	8.9
12	4.3	48	e6.0	e8.8	96	13	68	138	64	1.0	4.9	6.4
13	3.8	39	e6.5	e12	53	16	44	82	56	.77	4.0	4.5
14	3.5	31	e7.0	18	48	15	26	46	35	1.3	3.9	3.1
15	3.3	23	e7.3	28	43	32	20	35	26	1.5	2.7	2.2

16	2.8	18	e7.4	35	36	58	15	27	20	1.0	16	1.9
17	2.6	15	e7.2	34	30	56	13	21	15	7.3	11	2.0
18	2.4	13	e7.3	29	27	50	9.3	15	18	3.2	7.1	4.3
19	2.2	11	e7.4	25	17	46	6.8	12	14	3.0	13	309
20	2.2	10	e7.5	20	16	41	11	10	11	2.6	7.5	204

21	2.0	9.6	e7.6	20	16	35	18	17	11	1.9	5.7	200
22	2.1	8.0	e7.2	14	13	29	17	17	11	9.6	34	153
23	1.9	6.7	e7.1	11	12	25	18	18	9.1	36	89	110
24	2.3	6.2	e6.4	11	43	22	14	22	7.3	46	37	78
25	2.2	6.9	e6.1	12	104	18	9.7	23	5.6	29	44	53

26	2.7	12	e6.1	9.3	79	16	7.3	27	4.2	15	47	40
27	3.2	13	e6.2	8.6	49	12	5.5	57	3.8	8.4	28	28
28	2.9	12	e6.3	9.9	36	11	4.5	46	3.3	5.1	18	21
29	2.8	13	e6.6	19	---	9.6	3.5	31	3.0	3.4	13	15
30	2.7	12	e7.6	60	---	9.2	3.2	22	2.4	2.5	9.2	12

31	2.6	---	e8.2	69	---	9.8	---	22	---	1.9	6.6	---

TOTAL	196.9	760.7	227.6	544.8	1533	703.6	456.2	914.7	706.7	220.66	452.50	1308.9
MEAN	6.35	25.4	7.34	17.6	54.8	22.7	15.2	29.5	23.6	7.12	14.6	43.6
MAX	30	118	12	69	195	58	68	164	64	46	89	309
MIN	1.9	1.9	5.8	7.8	12	9.2	3.2	1.7	2.4	.68	.28	1.7
CFSM	.32	1.29	.37	.90	2.79	1.16	.78	1.51	1.20	.36	.74	2.23
IN.	.37	1.44	.43	1.03	2.91	1.34	.87	1.74	1.34	.42	.86	2.48

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 2001, BY WATER YEAR (WY)
MEAN	8.43	14.9	16.1	14.5	21.5	33.1	36.8	23.8	18.4	11.4	10.7	11.0
MAX	37.9	89.6	92.8	53.1	69.9	147	97.1	116	103	46.1	64.5	65.4
(WY)	1987	1986	1983	1974	1997	1979	1983	1996	1970	1978	1987	1972
MIN	.000	.000	.032	.042	.12	4.80	4.26	3.33	.74	.058	.000	.000
(WY)	1953	1954	1954	1954	1963	1956	1963	1977	1963	1953	1955	1953

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1952 - 2001
ANNUAL TOTAL	6749.15		8026.26
ANNUAL MEAN	18.4		22.0		18.4
HIGHEST ANNUAL MEAN					32.9	1993
LOWEST ANNUAL MEAN					2.00	1963
HIGHEST DAILY MEAN	225	Apr 21	309	Sep 19	525	Dec 3 1982
LOWEST DAILY MEAN	.14	Sep 10	.28	Aug 8	.00	A
ANNUAL SEVEN-DAY MINIMUM	.37	Sep 4	.90	Aug 2	.00	Aug 22 1952
MAXIMUM PEAK FLOW			680	Sep 19	887	Jul 22 1982
MAXIMUM PEAK STAGE			7.25	Sep 19	7.94	Jul 22 1982
INSTANTANEOUS LOW FLOW			.08	Aug 9
ANNUAL RUNOFF (CFSM)	.94		1.12		.94
ANNUAL RUNOFF (INCHES)	12.81		15.23		12.72
10 PERCENT EXCEEDS	46		48		44
50 PERCENT EXCEEDS	8.0		11		7.8
90 PERCENT EXCEEDS	1.5		2.2		.40

A - At times in several years.