05536290 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05536290 LITTLE CALUMET RIVER AT SOUTH HOLLAND, IL

LOCATION.-- Lat 41°36'25", long 87°35'52", in NE1/4SE1/4 sec.15, T.36 N., R.14 E., Cook County, Hydrologic Unit 07120003, on left bank at downstream side of bridge on Cottage Grove Avenue in South Holland, 2.0 mi downstream from Thorn Creek, and at mile 23.0.

DRAINAGE AREA.-- 208 mi². (Does not include part of watershed diverted to Lake Michigan.)

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

DISCHARGE: October 1947 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.

PRECIPITATION: October 2000 to current year.

REVISED RECORDS.-- WSP 1507: 1950, 1953. WDR IL-81-2: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 575.00 ft above sea level (Illinois Department of Transportation bench mark). Prior to Oct. 27, 1947, nonrecording gage and Oct. 27, 1947, to Mar. 31, 1981,water-stage recorder at site 1.4 mi upstream at same datum. Apr. 1 to Nov. 8, 1981, nonrecording gage at same site and datum. Nov. 17, 1947, to Nov. 19, 1970, auxiliary water-stage recorder at Dixmoor, 4.7 mi downstream; prior to Nov. 17, 1947, nonrecording gage at the Dixmoor site read twice daily.

REMARKS.-- Flow from upper Little Calumet River is diverted to Lake Michigan by Burns ditch. Calumet Sag Channel, 6.6 mi downstream from station diverts the entire flow to the Mississippi River Basin.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 4,440 ft³/s, July 14, 1957, gage height, 20.11 ft, site then in use; maximum gage height, 20.50 ft, Nov. 28, 1990; minimum daily discharge, 7.9 ft³/s Oct. 6, 1950.
PRECIPITATION: Maximum recorded daily total, 1.52 in. Aug. 2, 2001.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of Apr. 6, 1947, reached a stage of 19.24 ft, from floodmarks, discharge, 4,760 ft³/s.

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	56	55	93	e73	514	310	91	81	161	45	58	86
2	53	53	90	e75	345	243	86	77	138	44	500	72
3	57	52	85	e77	281	201	82	73	131	107	564	64
4	403	51	78	e78	209	177	81	70	105	122	198	58
5	224	53	74	e78	169	151	89	67	406	81	113	50

6	153	57	68	e77	167	133	191	67	676	58	84	51
7	107	136	68	e76	183	133	161	66	394	51	78	158
8	195	92	67	e75	256	164	121	64	269	53	67	93
9	216	364	64	e74	1530	138	123	69	183	50	67	100
10	142	698	64	72	2310	104	109	84	129	45	116	107

11	106	344	66	72	1510	109	107	83	109	42	67	83
12	88	190	65	72	643	112	150	76	263	40	60	66
13	77	231	e68	77	420	126	109	64	187	39	58	55
14	70	214	e68	118	397	116	93	72	124	37	51	50
15	70	159	e69	277	454	143	268	78	112	40	47	47

16	68	135	e71	304	397	251	263	92	93	40	90	48
17	63	119	e75	258	312	323	172	81	82	42	80	52
18	61	91	e72	220	207	356	134	69	73	42	122	63
19	58	84	e70	187	184	329	132	64	64	38	184	303
20	58	79	e69	157	150	265	190	62	61	36	94	143

21	75	69	e68	134	128	212	280	95	127	180	69	84
22	64	64	e67	122	118	174	291	94	103	565	63	67
23	56	64	e67	113	112	148	265	75	76	532	62	158
24	134	65	e66	107	419	130	243	79	68	621	60	224
25	98	67	e66	99	1730	115	157	124	61	315	261	183

26	75	117	e66	93	1530	104	127	182	55	164	349	149
27	69	105	e66	94	692	98	112	536	51	139	176	98
28	64	89	e67	91	449	92	101	324	47	133	112	81
29	64	95	e68	141	---	90	92	180	47	79	81	73
30	61	104	e69	582	---	88	85	122	47	67	76	68

31	58	---	e71	638	---	87	---	111	---	62	124	---

TOTAL	3143	4096	2185	4711	15816	5222	4505	3381	4442	3909	4131	2934
MEAN	101	137	70.5	152	565	168	150	109	148	126	133	97.8
MAX	403	698	93	638	2310	356	291	536	676	621	564	303
MIN	53	51	64	72	112	87	81	62	47	36	47	47
CFSM	.49	.66	.34	.73	2.72	.81	.72	.52	.71	.61	.64	.47
IN.	.56	.73	.39	.84	2.83	.93	.81	.60	.79	.70	.74	.52

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2001, BY WATER YEAR (WY)
MEAN	100	147	173	178	224	319	319	246	206	129	104	104
MAX	645	572	767	572	667	916	712	638	817	555	360	480
(WY)	1955	1991	1983	1993	1997	1979	1950	1996	1993	1957	1968	1961
MIN	19.8	18.1	27.8	27.0	38.1	65.4	65.1	51.8	35.4	39.0	23.8	17.8
(WY)	1957	1950	1963	1963	1964	2000	1986	1958	1949	1948	1948	1949

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1948 - 2001
ANNUAL TOTAL	53712		58475
ANNUAL MEAN	147		160		187
HIGHEST ANNUAL MEAN					333	1993
LOWEST ANNUAL MEAN					72.4	1964
HIGHEST DAILY MEAN	1940	Jun 26	2310	Feb 10	4240	Jul 14 1957
LOWEST DAILY MEAN	32 A	Jan 27	36	Jul 20	7.9	Oct 6 1950
ANNUAL SEVEN-DAY MINIMUM	34	Jan 26	39	Jul 14	14	Oct 27 1949
MAXIMUM PEAK FLOW			2410	Feb 10	4440 B	Jul 14 1957
MAXIMUM PEAK STAGE			15.92	Feb 10	20.50	Nov 28 1990
INSTANTANEOUS LOW FLOW			33	Jul 14-15
ANNUAL RUNOFF (CFSM)	.71		.77		.90
ANNUAL RUNOFF (INCHES)	9.61		10.46		12.22
10 PERCENT EXCEEDS	306		313		424
50 PERCENT EXCEEDS	72		92		84
90 PERCENT EXCEEDS	43		56		36

	A - Estimated due to backwater from ice.
	B - Gage height, 20.11 ft, site then in use.