USGS CD-ROM: Current Year Discharge

05536290 LITTLE CALUMET RIVER AT SOUTH HOLLAND, IL

LOCATION.--Lat 41°36'25", long 87°35'52", in NE¼SE¼ 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.--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).

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

GAGE.--Water-stage recorder 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.--Records good except those for Mar. 9-11 and Apr. 16-20, which are fair, and those for estimated daily discharges, which are poor. 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. Gage-height telemeter at station.

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

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	31	70	80	76	150	106	586	326	56	97	43	49
2	31	62	68	80	289	98	515	231	60	83	45	50
3	31	50	57	106	331	94	359	176	73	65	43	62
4	47	50	54	718	255	108	250	150	64	378	589	70
5	61	43	49	1040	195	115	186	137	50	203	1650	52

6	40	52	47	1130	156	114	154	204	51	106	1140	48
7	37	52	45	799	136	93	136	1540	49	392	435	516
8	34	44	42	1040	127	351	268	2720	45	768	608	273
9	45	42	38	1340	117	1130	293	2060	143	328	334	126
10	53	38	61	896	112	1040	269	866	102	161	251	84

11	38	35	100	489	373	653	205	475	476	110	260	71
12	38	33	87	351	820	451	161	361	645	90	172	59
13	43	32	72	230	533	350	150	285	318	77	111	51
14	60	33	64	186	320	305	212	227	165	68	89	50
15	45	47	61	163	225	276	168	192	138	65	78	52

16	40	63	61	135	185	253	159	149	106	63	74	58
17	36	44	67	120	368	415	137	109	85	60	70	48
18	36	36	66	107	910	1480	114	96	82	55	65	43
19	37	35	75	102	656	2060	99	86	129	117	61	42
20	35	34	71	92	395	1330	117	79	80	114	53	50

21	35	35	67	87	281	730	557	73	69	78	51	84
22	33	34	83	81	214	540	544	70	64	99	51	45
23	31	34	151	84	177	409	331	66	59	216	51	41
24	36	33	156	81	181	326	223	70	53	118	e135	38
25	42	35	342	76	159	268	164	66	53	78	e130	37

26	80	34	326	73	140	234	162	63	478	66	e72	38
27	397	40	211	74	146	187	201	61	355	58	e58	38
28	157	79	142	76	121	269	150	61	179	58	e96	38
29	83	99	117	92	---	246	296	57	121	53	e76	34
30	62	103	103	106	---	176	308	57	119	46	e58	65

31	54	---	86	107	---	273	---	57	---	48	e51	---

TOTAL	1828	1421	3049	10137	8072	14480	7474	11170	4467	4318	7000	2312
MEAN	59.0	47.4	98.4	327	288	467	249	360	149	139	226	77.1
MAX	397	103	342	1340	910	2060	586	2720	645	768	1650	516
MIN	31	32	38	73	112	93	99	57	45	46	43	34
CFSM	.28	.23	.47	1.57	1.39	2.25	1.20	1.73	.72	.67	1.09	.37
IN.	.33	.25	.55	1.81	1.44	2.59	1.34	2.00	.80	.77	1.25	.41

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY)
MEAN	102	151	178	176	222	331	320	252	199	131	104	105
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	81.2	65.1	51.8	35.4	39.0	23.8	17.8
(WY)	1957	1950	1963	1963	1964	1964	1986	1958	1949	1948	1948	1949

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1948 - 1998
ANNUAL TOTAL	63568		75728
ANNUAL MEAN	174		207		189
HIGHEST ANNUAL MEAN					333	1993
LOWEST ANNUAL MEAN					72.4	1964
HIGHEST DAILY MEAN	3450	Feb 22	2720	May 8	4240	Jul 14 1957
LOWEST DAILY MEAN	28	Aug 1	31	Oct 1-3, 23	7.9	Oct 6 1950
ANNUAL SEVEN-DAY MINIMUM	34	Nov 20	34	Nov 20	14	Oct 27 1949
INSTANTANEOUS PEAK FLOW			2820	May 8	4440 A	Jul 14 1957
INSTANTANEOUS PEAK STAGE			16.96	May 8	20.50	Nov 28 1990
INSTANTANEOUS LOW FLOW			25	Oct 3
ANNUAL RUNOFF (CFSM)	.84		1.00		.91
ANNUAL RUNOFF (INCHES)	11.37		13.54		12.34
10 PERCENT EXCEEDS	370		477		434
50 PERCENT EXCEEDS	83		93		85
90 PERCENT EXCEEDS	36		39		36

A - Gage height, 20.11 ft, site then in use.