05592100 DATA: Discharge Tables, 2003

Station list Available data
KASKASKIA RIVER BASIN


LOCATION.-- Lat 39°13'47", long 88°50'30" (NAD of 1927), 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 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-91.
	MISCELLANEOUS: Water years 1998 and 2002.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 500.00 ft above NGVD of 1929 (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.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 25,300 ft³/s, May 12, 2002, gage height, 20.36 ft; minimum daily discharge, 4.6 ft³/s, Oct. 6, 1984.

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

Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	854	50	1470	199	e43	e125	53	47	137	226	48	1270
2	651	49	1460	212	e46	e115	53	48	132	340	50	1580
3	433	49	1300	207	e49	e110	52	47	136	386	219	1070
4	311	49	1110	205	e56	126	53	47	134	385	91	273
5	287	52	901	206	e62	117	52	173	120	382	57	688

6	200	53	674	204	e70	105	51	153	113	304	51	767
7	127	53	605	203	e86	103	52	84	113	285	46	644
8	89	92	406	121	e100	103	51	71	108	157	43	541
9	81	54	291	63	e120	102	50	74	103	98	41	384
10	71	45	188	57	e110	98	49	1020	104	304	41	186

11	54	43	116	54	e100	98	49	1700	114	455	40	142
12	55	41	76	e52	e92	101	48	e820	220	1030	40	134
13	54	40	70	e49	e87	117	47	e450	190	1440	40	100
14	51	40	66	e47	e86	132	47	e230	239	1490	39	76
15	50	40	64	e46	e90	228	46	e130	697	1300	38	69

16	49	326	63	e44	e94	304	46	91	711	915	39	57
17	49	958	61	e44	e97	305	57	e80	904	807	40	53
18	48	1400	63	e43	e100	308	51	e76	941	802	38	51
19	52	1500	71	e42	e110	400	48	e90	946	557	38	50
20	51	1510	72	e42	260	436	51	e250	947	368	37	49

21	49	1510	65	e41	239	372	53	e800	959	180	37	48
22	49	1510	62	e41	219	340	52	e700	940	125	37	49
23	49	1510	60	e40	e200	278	48	e620	849	264	38	48
24	50	1510	60	e40	e188	178	47	485	839	479	38	46
25	55	1500	60	e39	e175	116	49	403	831	413	36	46

26	56	1490	61	e39	e160	67	51	347	740	528	41	50
27	52	1480	58	e39	e150	60	49	340	589	191	56	171
28	50	1480	58	e40	e137	59	47	409	454	130	43	89
29	54	1480	57	e40	---	59	47	515	273	100	48	57
30	54	1470	58	e41	---	58	46	260	227	60	49	49

31	52	---	104	e42	---	55	---	150	---	52	67	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2003, BY WATER YEAR (WY)
MEAN	404	607	1440	1648	1898	1991	1443	1180	1178	1036	731	394
MAX	1769	2572	4259	4425	4787	5897	5221	6113	3258	2954	2360	1868
(WY)	1975	1994	1986	1993	1974	1979	1979	2002	1974	1974	1974	1974
MIN	13.2	12.1	7.27	8.02	69.4	167	49.8	36.3	25.6	24.5	19.6	13.5
(WY)	1988	1977	1977	1977	1977	2003	2003	1987	1988	1976	1976	1976

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1970 - 2003
ANNUAL TOTAL	683307		97455
ANNUAL MEAN	1872		267		1164
HIGHEST ANNUAL MEAN					2409	1974
LOWEST ANNUAL MEAN					267	2003
HIGHEST DAILY MEAN	17200	May 13	1700	May 11	17300	Apr 12 1979
LOWEST DAILY MEAN	40	Nov 13, 14, 15	36	Aug 25	4.6	Oct 6 1984
ANNUAL SEVEN-DAY MINIMUM	43	Nov 9	37	Aug 19	6.0	Nov 30 1976
MAXIMUM PEAK FLOW			2850	May 10	25300	May 12 2002
MAXIMUM PEAK STAGE			10.89	May 10	20.36	May 12 2002
INSTANTANEOUS LOW FLOW			34	Aug 25
10 PERCENT EXCEEDS	4060		851		2800
50 PERCENT EXCEEDS	1850		90		770
90 PERCENT EXCEEDS	58		43		36