05528500 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05528500 BUFFALO CREEK NEAR WHEELING, IL

LOCATION.-- Lat 42°09'05", long 87°57'25", 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 1994-2000.

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).

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	17	.63	.18	e.86	e1.4	16	5.0	17	33	10	33	.52
2	8.1	.67	.18	e1.4	e1.4	12	4.9	16	41	22	25	.39
3	18	.52	2.1	e2.0	e1.4	9.9	4.7	14	32	109	17	.35
4	25	.42	7.8	e3.2	e1.5	9.0	4.4	13	26	85	11	.60
5	18	.75	57	e2.6	e1.5	7.9	4.4	12	52	45	9.2	.33

6	9.4	.20	41	e2.0	e1.5	7.5	4.0	10	51	30	8.0	.25
7	6.9	.20	26	e1.8	e1.5	7.2	7.2	9.6	36	22	6.3	.21
8	6.4	.22	16	e1.5	e1.6	7.4	15	13	27	15	4.8	.78
9	4.7	.25	9.3	7.5	e1.9	7.6	15	33	19	12	3.9	.25
10	3.5	.49	7.4	11	e2.5	6.7	11	43	14	57	3.3	.14

11	2.4	.38	6.3	11	e3.5	5.8	10	42	23	60	2.2	41
12	1.9	.56	5.6	9.1	e4.5	5.3	8.9	42	35	39	1.6	98
13	2.0	.49	5.1	e5.0	e4.2	5.1	7.4	30	57	27	1.2	65
14	1.7	.40	4.8	e4.0	e3.7	4.8	6.7	22	48	20	.84	53
15	1.4	.35	5.8	e3.6	e3.4	4.9	6.1	16	37	13	.53	35

16	1.9	.36	5.7	e3.2	e4.0	4.9	9.5	17	30	9.1	.28	23
17	1.5	.35	5.4	e2.6	5.5	4.7	41	16	23	7.2	15	13
18	1.7	.29	5.3	e2.3	11	4.5	33	55	16	6.3	12	7.9
19	1.8	.26	e3.2	e2.0	9.6	5.0	52	124	12	5.4	6.7	5.7
20	1.4	.21	e2.3	e1.9	6.7	17	182	105	19	4.4	4.7	9.4

21	1.6	.18	e1.8	e1.7	8.1	17	225	55	22	3.5	3.2	8.0
22	.88	.26	e1.6	e1.6	33	12	201	36	19	2.7	2.9	37
23	1.0	3.7	e1.4	e1.5	69	9.4	166	28	14	2.4	2.2	128
24	.68	2.7	e1.0	e1.4	95	8.8	81	21	25	2.1	1.6	85
25	.56	1.5	e.90	e1.4	84	8.5	43	14	52	1.8	1.1	51

26	.47	.92	e.84	e1.3	67	7.7	34	11	46	1.5	2.1	35
27	.27	.61	e.82	e1.3	42	8.1	27	15	31	1.2	.91	26
28	.46	.35	e.86	e1.2	29	7.5	22	28	21	2.8	.64	17
29	.35	.26	e1.1	e1.2	21	6.8	18	27	16	1.4	.54	12
30	.34	.18	e.94	e1.5	---	5.9	16	22	13	2.6	.54	8.1

31	.47	---	e.82	e1.4	---	5.4	---	26	---	46	.79	---

TOTAL	141.78	18.66	228.54	94.06	520.4	250.3	1265.2	932.6	890	666.4	183.07	761.92
MEAN	4.57	.62	7.37	3.03	17.9	8.07	42.2	30.1	29.7	21.5	5.91	25.4
MAX	25	3.7	57	11	95	17	225	124	57	109	33	128
MIN	.27	.18	.18	.86	1.4	4.5	4.0	9.6	12	1.2	.28	.14
CFSM	.23	.03	.38	.15	.92	.41	2.15	1.53	1.51	1.10	.30	1.30
IN.	.27	.04	.43	.18	.99	.48	2.40	1.77	1.69	1.26	.35	1.45

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 2000, BY WATER YEAR (WY)
MEAN	8.47	14.7	16.2	14.5	20.8	33.3	37.2	23.7	18.3	11.5	10.7	10.3
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1952 - 2000
ANNUAL TOTAL	7937.35		5952.93
ANNUAL MEAN	21.7		16.3		18.3
HIGHEST ANNUAL MEAN					32.9	1993
LOWEST ANNUAL MEAN					2.00	1963
HIGHEST DAILY MEAN	361	Apr 23	225	Apr 21	525	Dec 3 1982
LOWEST DAILY MEAN	.01	Sep 11	.14	Sep 10	.00	A
ANNUAL SEVEN-DAY MINIMUM	.17	Sep 5	.27	Nov 16	.00	Aug 22 1952
INSTANTANEOUS PEAK FLOW			272	Apr 21	887	Jul 22 1982
INSTANTANEOUS PEAK STAGE			5.05	Apr 21	7.94	Jul 22 1982
INSTANTANEOUS LOW FLOW			.04	Sep 11
ANNUAL RUNOFF (CFSM)	1.11		.83		.93
ANNUAL RUNOFF (INCHES)	15.06		11.30		12.67
10 PERCENT EXCEEDS	57		42		44
50 PERCENT EXCEEDS	5.6		6.3		7.7
90 PERCENT EXCEEDS	.31		.51		.40

A - At times in several years.