05536265 DATA: Discharge Tables, 2004

Station list Available data
ILLINOIS RIVER BASIN

05536265 LANSING DITCH NEAR LANSING, IL


LOCATION.-- Lat 41°31'42", long 87°31'45" (NAD of 1927), at north boundary of sec.17, T.35 N., R.15 E., Cook County, Hydrologic Unit 07120003, on right bank at upstream side of bridge on 202nd Street, 0.2 mi west of Indiana State line, 0.5 mi east of Burnham Avenue, 2 mi south of Lansing, and at mile 2.7.

DRAINAGE AREA.-- 8.84 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: May 1948 to current year. Prior to October 1974, records published with those for streams in the St. Lawrence River basin (WSP 1307, 1727, 1911, 2111, WDR IL 1971-74).
	STAGE: Water years 1994 to current year.

REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-79-2: 1975-78.

GAGE.-- Water-stage recorder. Datum of gage is 607.16 ft above NGVD of 1929. Prior to Sept. 20, 1948, nonrecording gage at same site and datum.

REMARKS.-- Some diurnal fluctuation caused by pumping operations upstream from station.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 461 ft³/s, May 10 or 11, 1948, gage height, 9.24 ft, from floodmark; maximum gage height, 10.18 ft, Oct. 11, 1954, discharge 302 ft³/s; no flow at times in most years.

REMARKS FOR CURRENT YEAR.-- Records poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	0.21	0.20	0.61	0.61	0.31	1.9	0.58	0.53	2.0	0.56	0.22	0.28
2	0.23	3.2	0.74	0.61	0.32	4.0	e0.47	0.43	e1.0	0.57	0.20	0.35
3	0.28	1.9	0.78	0.61	0.34	0.69	e0.40	0.41	e0.70	0.63	0.21	0.45
4	0.36	1.1	0.83	0.64	0.34	6.9	e0.37	2.1	e0.55	1.1	1.2	0.50
5	0.35	12	6.2	0.67	0.35	36	e0.34	3.2	e0.45	0.50	0.35	0.54

6	0.35	5.2	11	e0.66	0.35	6.9	e0.31	e0.40	e0.37	0.29	0.19	0.57
7	3.7	1.3	8.4	e0.64	0.35	1.0	e0.29	e0.30	e0.33	0.39	0.17	0.57
8	5.2	0.35	5.8	e0.64	0.35	4.0	e0.27	e0.26	e0.30	0.41	0.21	0.57
9	0.47	0.25	4.6	e0.62	0.35	9.6	e0.25	e0.25	0.27	0.38	0.25	0.57
10	0.47	0.21	12	0.61	0.35	15	e0.23	0.30	0.40	0.43	4.5	0.58

11	0.54	0.25	16	0.61	0.33	0.34	e0.22	0.46	0.82	0.46	9.0	0.61
12	0.70	0.22	8.7	0.61	0.33	0.29	e0.24	0.28	23	0.47	0.29	0.64
13	0.82	0.22	3.6	0.61	0.32	0.27	e0.23	1.1	3.2	0.48	0.26	0.68
14	7.5	0.22	1.9	0.61	0.33	0.26	e0.22	1.3	1.5	4.1	0.24	0.61
15	6.6	0.22	1.1	0.58	0.34	0.28	0.21	e0.70	12	12	0.19	1.1

16	5.0	0.24	5.6	0.58	0.32	0.28	0.22	e0.60	24	5.2	0.16	4.1
17	4.8	0.32	22	0.57	0.31	0.29	0.28	e0.50	0.30	0.40	0.15	0.45
18	2.4	53	1.2	0.58	0.31	0.33	0.30	e0.70	0.36	0.46	0.18	0.32
19	0.88	43	0.72	e0.46	0.42	0.35	0.28	e0.50	0.37	0.47	0.40	0.35
20	0.37	36	0.71	e0.42	e1.1	0.33	0.30	e0.40	0.42	0.45	0.37	0.35

21	0.59	53	0.67	e0.37	e3.1	0.31	0.32	0.33	0.52	0.64	0.35	0.32
22	1.3	7.1	0.67	e0.35	e2.7	0.29	0.19	1.8	0.54	0.54	0.35	0.33
23	1.8	3.2	11	e0.33	e3.6	0.29	0.25	2.3	0.39	0.48	0.35	0.32
24	1.2	23	0.84	0.43	e2.0	0.34	0.35	1.1	0.39	0.34	0.87	0.41
25	3.2	31	0.61	0.38	e1.1	0.40	0.52	0.51	0.31	0.24	1.1	0.31

26	2.7	3.2	0.61	0.36	0.61	1.2	0.43	1.8	0.32	0.22	1.2	0.24
27	7.1	0.65	0.61	e0.34	0.54	1.1	0.35	5.5	0.46	0.27	0.82	0.21
28	9.9	0.54	0.61	e0.34	0.48	0.61	0.30	3.4	0.48	0.30	22	e0.20
29	3.3	0.52	0.61	e0.33	0.46	2.3	0.26	0.88	0.51	e0.25	1.5	e0.24
30	0.54	0.52	0.61	e0.32	---	8.9	0.33	13	0.50	e0.22	24	e0.21

31	0.20	---	0.61	0.32	---	4.1	---	20	---	0.20	24	---

TOTAL	73.06	282.13	129.94	15.81	22.11	108.85	9.31	65.34	76.76	33.45	95.28	16.98
MEAN	2.36	9.40	4.19	0.51	0.76	3.51	0.31	2.11	2.56	1.08	3.07	0.57
MAX	9.9	53	22	0.67	3.6	36	0.58	20	24	12	24	4.1
MIN	0.20	0.20	0.61	0.32	0.31	0.26	0.19	0.25	0.27	0.20	0.15	0.20
CFSM	0.27	1.06	0.47	0.06	0.09	0.40	0.04	0.24	0.29	0.12	0.35	0.06
IN.	0.31	1.19	0.55	0.07	0.09	0.46	0.04	0.27	0.32	0.14	0.40	0.07

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2004, BY WATER YEAR (WY)
MEAN	4.88	6.26	6.57	7.09	8.91	13.1	13.2	10.3	9.22	6.71	4.29	4.16
MAX	41.8	25.6	28.0	24.1	23.3	44.4	40.7	31.5	33.8	33.3	16.5	23.3
(WY)	1955	1986	1983	1952	2001	1979	1950	1959	1993	2003	1990	1965
MIN	0.16	0.22	0.23	0.12	0.12	0.75	0.31	1.53	0.32	0.10	0.18	0.17
(WY)	1953	1954	1964	1963	2003	2003	2004	1958	2002	2002	2002	1999

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1948 - 2004
ANNUAL TOTAL	2933.48		929.02
ANNUAL MEAN	8.04		2.54		7.90
HIGHEST ANNUAL MEAN					14.0	1993
LOWEST ANNUAL MEAN					2.22	1964
HIGHEST DAILY MEAN	124	Jul 21	53	Nov 18, 21	377	May 11 1951
LOWEST DAILY MEAN	0.00	Jan 2-6	0.15	Aug 17	0.00	A
ANNUAL SEVEN-DAY MINIMUM	0.09	Jan 16	0.21	Aug 12	0.00	A
MAXIMUM PEAK FLOW			100	Nov 18	461 B	C
MAXIMUM PEAK STAGE			7.01	Nov 18	10.18 D	Oct 11 1954
ANNUAL RUNOFF (CFSM)	0.909		0.287		0.893
ANNUAL RUNOFF (INCHES)	12.34		3.91		12.14
10 PERCENT EXCEEDS	22		5.9		17
50 PERCENT EXCEEDS	0.99		0.49		3.9
90 PERCENT EXCEEDS	0.10		0.24		0.34

	A - At times in most years.
	B - Gage height, 9.24 ft. from floodmark.
	C - May 10 or 11, 1948.
	D - Discharge, 302 ft³/s.