05594800 DATA: Discharge Tables, 2004

Station list Available data
KASKASKIA RIVER BASIN


LOCATION.-- Lat 38°24'22", long 89°52'26" (NAD of 1927), in NE1/4NE1/4 sec.33, T.1 S., R.7 W., St. Clair County, Hydrologic Unit 07140204, on left bank at downstream side of bridge on State Highway 15, 2.2 mi southeast of Freeburg, 4.8 mi northwest of Fayetteville, and at mile 9.6.

DRAINAGE AREA.-- 464 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1970 to current year.
	STAGE: Water years 1995 to current year. October 1980 to September 1994 (8:00 a.m. gage heights).
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WDR IL-73-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 381.40 ft above NGVD of 1929.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 15,300 ft³/s, May 19, 1995, gage height, 25.38 ft; no flow, Aug. 4-6, 1993, during period of backwater from the Mississippi River; minimum daily discharge unaffected by backwater, 0.41 ft³/s, Sept. 17, 1983.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are 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	34	27	128	1230	e105	158	1210	223	4190	24	1110	140
2	30	45	106	654	e140	147	853	790	2910	56	1240	73
3	26	70	93	339	e500	148	356	563	2070	45	661	50
4	23	40	94	1070	e580	337	243	322	1270	107	196	34
5	23	32	100	2990	e340	902	193	197	382	213	140	29

6	23	29	104	4220	e260	1150	162	137	210	943	157	24
7	21	63	103	3230	e210	1340	146	105	158	1120	76	22
8	19	67	97	3430	e160	1420	138	87	123	1020	48	19
9	19	47	89	2490	e140	1350	125	75	318	509	35	18
10	23	36	91	1510	e250	682	113	65	327	192	28	18

11	46	32	92	548	628	283	111	74	155	104	26	17
12	49	29	84	321	830	206	105	83	110	69	27	16
13	29	26	80	271	812	169	97	73	110	51	24	16
14	24	25	79	230	571	158	92	299	96	40	20	15
15	57	23	79	202	375	155	87	938	72	39	18	12

16	49	34	78	183	291	144	80	1050	69	36	20	13
17	39	46	80	351	232	147	74	1120	456	28	20	14
18	140	1290	77	1180	222	141	70	1170	380	24	18	12
19	95	3080	77	1500	247	130	65	1200	178	22	17	12
20	51	4570	73	1700	385	117	60	1080	346	20	19	13

21	34	4010	67	1370	533	114	61	1060	162	19	32	11
22	27	3580	67	603	506	105	63	988	85	18	36	11
23	23	2540	363	313	384	103	71	435	66	151	26	10
24	20	1760	665	e220	290	95	99	204	54	190	21	11
25	19	1190	572	e190	314	92	114	316	45	65	25	11

26	19	729	395	e170	430	107	113	1150	39	164	378	11
27	19	373	234	e150	293	485	81	1650	35	76	774	11
28	21	247	181	e135	210	926	67	3450	31	37	449	9.7
29	22	188	728	e125	177	1060	60	5400	28	26	972	8.7
30	24	155	1150	e115	---	1180	60	5280	26	132	814	8.1

31	26	---	1260	e110	---	1240	---	5020	---	914	378	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 2004, BY WATER YEAR (WY)
MEAN	93.7	286	415	394	590	661	659	571	369	164	126	97.1
MAX	506	1543	2380	1438	1954	2390	1771	3579	1214	902	822	1142
(WY)	1987	1994	1983	1974	1982	1978	1979	1995	1998	2000	1998	1993
MIN	2.55	2.21	6.86	3.87	42.2	34.5	45.3	25.4	12.4	12.9	10.7	4.31
(WY)	1972	1972	1977	1977	1978	1981	1981	1976	1988	1976	1971	1983

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1971 - 2004
ANNUAL TOTAL	122127		158501.5
ANNUAL MEAN	335		433		367
HIGHEST ANNUAL MEAN					660	1973
LOWEST ANNUAL MEAN					74.6	1976
HIGHEST DAILY MEAN	5390	Jun 13	5400	May 29	15000	May 19 1995
LOWEST DAILY MEAN	13	Aug 28, Sept. 25	8.1	Sep 30	0.00	A
ANNUAL SEVEN-DAY MINIMUM	14	Aug 22	10	Sep 24	0.75	Sep 15 1983
MAXIMUM PEAK FLOW			5590	May 29	15300	May 19 1995
MAXIMUM PEAK STAGE			17.61	May 29	25.38	May 19 1995
INSTANTANEOUS LOW FLOW			7.8	Sep 30
ANNUAL RUNOFF (CFSM)	0.721		0.933		0.792
ANNUAL RUNOFF (INCHES)	9.79		12.71		10.76
10 PERCENT EXCEEDS	1000		1180		1060
50 PERCENT EXCEEDS	96		113		75
90 PERCENT EXCEEDS	22		20		9.3

	A - Aug. 4-6, 1993, during period of backwater from the Mississippi River. Minimum daily discharge unaffected by backwater, 0.41 ft³/s, Sept. 17, 1983.