05536290 DATA: Discharge Tables, 2002

Station list Available data
ILLINOIS RIVER BASIN

05536290 LITTLE CALUMET RIVER AT SOUTH HOLLAND, IL


LOCATION.-- Lat 41°36'25", long 87°35'52" (NAD of 1927), 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 1994-2002.
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 NGVD of 1929 (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. 14 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 daily total, 2.32 in., May 11, 2002.

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 CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	63	131	405	e76	425	136	134	202	91	51	38	24
2	56	299	280	e79	420	167	404	184	86	45	38	72
3	50	414	206	e82	307	289	562	155	86	41	36	85
4	84	308	167	e83	235	242	342	133	101	49	37	39
5	644	227	150	85	173	220	237	120	103	150	79	29

6	419	172	156	84	161	219	188	163	93	70	47	28
7	229	147	135	83	145	379	182	175	83	52	35	29
8	147	133	123	80	141	889	453	257	80	45	33	29
9	111	119	117	80	169	1410	1570	954	75	143	31	28
10	89	113	108	83	336	1270	1270	1100	72	151	33	29

11	82	110	105	80	380	596	547	852	117	94	31	33
12	515	107	115	80	281	389	365	2690	109	64	30	27
13	654	103	118	79	224	319	278	3130	73	51	31	23
14	1490	117	133	81	186	264	221	2160	184	48	37	22
15	1160	119	153	87	161	221	184	1100	190	41	29	26

16	617	103	141	99	151	179	163	748	101	38	40	25
17	410	96	209	e90	139	156	160	753	73	38	67	25
18	309	96	229	e79	124	145	143	481	64	37	38	43
19	241	109	194	e78	160	135	133	330	64	47	67	50
20	205	106	171	78	460	136	405	263	82	41	72	154

21	164	99	138	78	521	134	360	222	60	38	45	102
22	139	99	123	78	341	126	333	218	47	36	76	54
23	475	93	132	81	242	117	247	191	50	36	51	42
24	551	113	123	87	194	115	210	540	48	40	50	35
25	629	151	111	89	170	112	272	409	61	61	41	33

26	412	133	108	84	184	116	208	248	111	43	36	29
27	288	125	104	87	176	114	241	172	226	55	33	29
28	227	113	99	87	147	119	616	145	120	61	29	53
29	200	121	91	88	---	154	441	128	73	57	27	61
30	152	408	e80	108	---	186	272	122	57	69	24	38

31	133	---	e76	188	---	156	---	113	---	46	24	---

TOTAL	10945	4584	4600	2701	6753	9210	11141	18458	2780	1838	1285	1296
MEAN	353.1	152.8	148.4	87.13	241.2	297.1	371.4	595.4	92.67	59.29	41.45	43.20
MAX	1490	414	405	188	521	1410	1570	3130	226	151	79	154
MIN	50	93	76	76	124	112	133	113	47	36	24	22
CFSM	1.70	0.73	0.71	0.42	1.16	1.43	1.79	2.86	0.45	0.29	0.20	0.21
IN.	1.96	0.82	0.82	0.48	1.21	1.65	1.99	3.30	0.50	0.33	0.23	0.23

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2002, BY WATER YEAR (WY)
MEAN	104.6	147.4	172.1	175.9	224.3	318.9	320.0	251.9	203.7	128.2	102.5	103.3
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 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1948 - 2002
ANNUAL TOTAL	69180		75591
ANNUAL MEAN	189.5		207.1		187.4
HIGHEST ANNUAL MEAN					333	1993
LOWEST ANNUAL MEAN					72.4	1964
HIGHEST DAILY MEAN	2310	Feb 10	3130	May 13	4240	Jul 14 1957
LOWEST DAILY MEAN	36	Jul 20	22	Sep 14	7.9	Oct 6 1950
ANNUAL SEVEN-DAY MINIMUM	39	Jul 14	26	Sep 11	14	Oct 27 1949
MAXIMUM PEAK FLOW			3260	May 13	4440 A	Jul 14 1957
MAXIMUM PEAK STAGE			18.37	May 13	20.50	Nov 28 1990
INSTANTANEOUS LOW FLOW			21	Sep 14
ANNUAL RUNOFF (CFSM)	0.91		1.00		0.90
ANNUAL RUNOFF (INCHES)	12.37		13.52		12.24
10 PERCENT EXCEEDS	405		416		423
50 PERCENT EXCEEDS	116		117		85
90 PERCENT EXCEEDS	59		37		36

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