05592100 DATA: Discharge Tables, 2000

Station list Available data
KASKASKIA RIVER BASIN

05592100 KASKASKIA RIVER NEAR COWDEN, IL

LOCATION.-- Lat 39°13'47", long 88°50'30", in NW1/4NW1/4 sec.14, T.9 N., R.3 E., Shelby County, Hydrologic Unit 07140201, on left bank at downstream side of bridge on State Highway 128, 0.7 mi downstream from Richland Creek, 1.5 mi southeast of Cowden, and at mile 173.5.

DRAINAGE AREA.-- 1,330 mi².

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

DISCHARGE: July 1970 to current year.

STAGE: Water years 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

MISCELLANEOUS: May and June 1998.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, and crest-stage gage. Datum of gage is 500.00 ft above sea level (levels by U.S. Army Corps of Engineers). July 19, 1976, to Oct. 4, 1977, nonrecording gage on upstream side of bypass bridge, 75 ft upstream at same datum.

REMARKS.-- Flow partially regulated by Lake Shelbyville (station 05591950), 26 mi upstream from gage.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	25	47	40	702	43	395	191	40	75	758	692	482
2	24	63	40	707	40	307	122	39	62	733	751	480
3	24	52	40	728	42	288	84	38	53	865	1110	479
4	26	47	40	815	40	286	71	41	48	776	854	478
5	25	45	44	815	38	282	52	40	46	6750	1240	477

6	24	44	43	811	40	279	48	37	44	5750	1170	477
7	23	44	40	805	39	202	110	71	42	1770	555	615
8	33	43	39	806	39	121	85	75	41	1120	490	704
9	39	43	39	803	39	81	61	52	38	1220	441	e707
10	33	43	44	800	43	74	53	60	35	1290	240	e964

11	24	42	42	796	45	76	50	43	48	1220	236	1270
12	21	42	41	798	42	77	46	37	109	1160	476	697
13	21	43	40	794	42	78	44	40	50	1200	581	615
14	20	43	61	789	41	83	43	32	120	1300	589	588
15	21	42	73	717	73	81	43	30	193	1300	509	646

16	22	41	116	700	127	78	47	29	598	1290	468	728
17	24	41	411	698	129	73	107	238	898	1150	469	720
18	22	41	459	696	204	70	79	138	239	855	485	715
19	18	41	463	608	295	82	60	54	126	665	424	708
20	30	42	466	463	282	300	57	39	206	660	406	699

21	41	41	469	361	264	237	62	36	1970	1020	398	563
22	41	41	560	252	261	312	63	35	1070	1120	396	531
23	41	43	580	109	335	349	54	105	1150	1170	399	525
24	42	43	586	106	436	409	65	71	2080	1230	397	527
25	43	42	586	90	450	420	70	42	2290	1230	334	718

26	44	41	589	102	462	421	63	36	2250	1220	312	854
27	45	40	589	93	497	434	52	725	1430	881	241	788
28	49	40	594	56	476	429	47	389	998	744	337	911
29	45	40	680	50	466	424	44	221	882	945	384	1290
30	43	39	696	45	---	355	41	135	803	792	464	1320

31	43	---	696	44	---	283	---	98	---	721	481	---

TOTAL	976	1299	9206	16159	5330	7386	2014	3066	17994	42905	16329	21276
MEAN	31.5	43.3	297	521	184	238	67.1	98.9	600	1384	527	709
MAX	49	63	696	815	497	434	191	725	2290	6750	1240	1320
MIN	18	39	39	44	38	70	41	29	35	660	236	477

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2000, BY WATER YEAR (WY)
MEAN	372	579	1455	1700	1909	2044	1478	1078	1156	1039	744	409
MAX	1769	2572	4259	4425	4787	5897	5221	4257	3258	2954	2360	1868
(WY)	1975	1994	1986	1993	1974	1979	1979	1996	1974	1974	1974	1974
MIN	13.2	12.1	7.27	8.02	69.4	238	67.1	36.3	25.6	24.5	19.6	13.5
(WY)	1988	1977	1977	1977	1977	2000	2000	1987	1988	1976	1976	1976

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1970 - 2000
ANNUAL TOTAL	363859		143940
ANNUAL MEAN	997		393		1166
HIGHEST ANNUAL MEAN					2409	1974
LOWEST ANNUAL MEAN					353	1977
HIGHEST DAILY MEAN	9170	Jun 2	6750	Jul 5	17300	Apr 12 1979
LOWEST DAILY MEAN	18	Oct 19	18	Oct 19	4.6	Oct 6 1984
ANNUAL SEVEN-DAY MINIMUM	21	Oct 13	21	Oct 13	6.0	Nov 30 1976
INSTANTANEOUS PEAK FLOW			10400	Jul 5	19700 A	Apr 12 1979
INSTANTANEOUS PEAK STAGE			18.23	Jul 5	19.12 B	Feb 23 1985
INSTANTANEOUS LOW FLOW			17	Oct 19,20
10 PERCENT EXCEEDS	2740		902		2850
50 PERCENT EXCEEDS	696		128		752
90 PERCENT EXCEEDS	28		39		32

A - Gage height, 18.97 ft.
B - Discharge, 16,800 ft³/s.