05536265 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05536265 LANSING DITCH NEAR LANSING, IL

LOCATION.-- Lat 41°31'42", long 87°31'45", 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 1994-2001.

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 sea level. 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; no flow at times in most years.

REMARKS FOR CURRENT YEAR.-- Records 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	.08	.15	1.3	e.28	e18	9.1	1.7	.69	4.1	.12	.06	1.1
2	.09	3.1	1.1	e.28	e10	6.7	.83	.31	12	.10	10	.51
3	.07	.66	.93	e.29	e5.2	5.1	1.1	.31	4.1	.96	3.8	.12
4	14	.18	1.1	e.30	e2.9	4.1	.88	.24	1.6	4.8	.70	.04
5	1.9	.15	.69	e.32	e1.9	3.3	1.2	.24	46	.92	.20	.05

6	.93	.14	.49	e.32	e1.7	26	3.7	.22	43	.34	.14	1.7
7	.18	1.3	.43	e.31	e2.0	59	3.5	.21	46	.20	.12	8.7
8	8.3	.89	e.37	e.31	33	23	2.2	34	27	.14	.11	1.8
9	3.2	30	e.34	e.30	105	1.8	1.9	33	4.3	.07	.11	1.9
10	.65	28	e.31	e.29	57	1.4	1.4	.44	2.2	.09	.16	3.4

11	.19	6.7	e.30	e.29	34	1.6	.87	.32	1.3	.09	.11	1.7
12	.11	3.0	e.52	e.30	18	2.1	1.7	.31	6.4	.12	.09	1.0
13	.11	7.6	e.47	e1.5	33	2.4	.92	.12	2.7	.16	.12	.58
14	.10	5.6	e.44	e4.5	33	2.1	.71	.71	1.1	.08	.09	.29
15	.11	13	e.40	e15	e19	2.7	7.4	.60	.64	.06	.08	.18

16	.13	28	e.37	e13	e10	6.2	6.4	3.0	.60	.06	.28	.34
17	.12	1.6	e.35	e9.5	e6.0	13	3.4	1.7	.60	.10	13	.08
18	.12	.83	e.33	e7.1	e4.5	16	33	.63	.55	.13	2.0	.22
19	12	e.64	e.31	e4.5	e3.6	13	34	.71	.45	.15	1.9	8.1
20	29	e.52	e.29	e3.4	e3.1	9.2	3.5	.16	.35	.13	.41	2.8

21	.64	e.46	e.28	e2.2	e2.6	5.9	7.5	4.3	.64	15	.20	1.4
22	.22	e.42	e.27	e1.8	e2.2	3.8	4.8	2.3	.50	21	.15	.85
23	.21	e.39	e.26	e1.5	e2.1	3.4	3.2	.73	.33	22	.15	2.7
24	1.1	e.37	e.26	e1.3	34	2.5	2.4	3.3	.25	26	.11	41
25	.77	.49	e.26	e1.2	75	2.0	1.8	.67	.17	3.9	4.2	47

26	.32	2.3	e.25	e1.1	63	1.5	1.5	10	.18	36	8.1	1.4
27	.24	1.7	e.25	e1.0	58	1.4	1.0	21	.14	47	1.8	1.1
28	.20	1.2	e.25	e.95	14	1.3	.79	8.5	.13	.34	.70	.77
29	.21	2.1	e.26	e4.3	---	1.2	1.1	3.0	.14	.16	.26	.50
30	.20	1.8	e.26	e34	---	.96	2.6	.94	.12	.11	.16	.48

31	.18	---	e.27	e29	---	.94	---	1.3	---	.07	1.2	---

TOTAL	75.68	143.29	13.71	140.44	651.8	232.70	137.00	133.96	207.59	180.40	50.51	131.81
MEAN	2.44	4.78	.44	4.53	23.3	7.51	4.57	4.32	6.92	5.82	1.63	4.39
MAX	29	30	1.3	34	105	59	34	34	46	47	13	47
MIN	.07	.14	.25	.28	1.7	.94	.71	.12	.12	.06	.06	.04
CFSM	.28	.54	.05	.51	2.63	.85	.52	.49	.78	.66	.18	.50
IN.	.32	.60	.06	.59	2.74	.98	.58	.56	.87	.76	.21	.55

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2001, BY WATER YEAR (WY)
MEAN	4.91	6.35	6.75	7.44	9.26	13.5	13.7	10.2	9.42	6.45	4.25	4.37
MAX	41.8	25.6	28.0	24.1	23.3	44.4	40.7	31.5	33.8	26.1	16.5	23.3
(WY)	1955	1986	1983	1952	2001	1979	1950	1959	1993	1957	1990	1965
MIN	.16	.22	.23	.12	.13	.98	.64	1.53	.96	.16	.28	.17
(WY)	1953	1954	1964	1963	1963	2000	1986	1958	1949	1999	1948	1999

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1948 - 2001
ANNUAL TOTAL	2009.25		2098.89
ANNUAL MEAN	5.49		5.75		8.06
HIGHEST ANNUAL MEAN					14.0	1993
LOWEST ANNUAL MEAN					2.22	1964
HIGHEST DAILY MEAN	123	Jun 25	105	Feb 9	377	May 11 1951
LOWEST DAILY MEAN	.03	Sep 8	.04	Sep 4	.00	A
ANNUAL SEVEN-DAY MINIMUM	.09	Jan 26	.09	Jul 10	.00	Sep 16 1949
MAXIMUM PEAK FLOW			119	Feb 9	461 B	C
MAXIMUM PEAK STAGE			7.32	Feb 9	10.18	Oct 11 1954
INSTANTANEOUS LOW FLOW			.00	Sep 4
ANNUAL RUNOFF (CFSM)	.62		.65		.91
ANNUAL RUNOFF (INCHES)	8.46		8.83		12.39
10 PERCENT EXCEEDS	17		18		16
50 PERCENT EXCEEDS	.62		1.0		4.0
90 PERCENT EXCEEDS	.11		.12		.40

	A - At times in most years.
	B - Gage height, 9.24 ft, from floodmark.
	C - May 10 or 11, 1948.