05591550 DATA: Discharge Tables, 2004

Station list Available data
KASKASKIA RIVER BASIN


LOCATION.-- Lat 39°30'24", long 88°31'39" (NAD of 1927), in SE1/4SE1/4 sec.4, T.12 N., R.6 E., Moultrie County, Hydrologic Unit 07140201, on left downstream side of bridge on County Highway 3 (1500 E), 3.3 mi south of Allenville, and at mile 5.8.

DRAINAGE AREA.-- 34.6 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: February 1980 to current year.
	STAGE: Water years 1994 to current year. Gage-height record for January 1963 to February 1980 available in files of U.S. Army Corps of Engineers.

REVISED RECORDS.-- WDR IL-81-1: 1980.

GAGE.-- Water-stage recorder and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 617.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISHCARGE AND STAGE: Maximum discharge, 3,260 ft³/s, May 12, 2002, gage height, 13.38 ft, from rating curve extended above 1,890 ft³/s; no flow for many days in most years.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of July 1971 reached a stage of 13.67 ft, discharge not determined, from U.S. Army Corps of Engineers.

REMARKS FOR CURRENT YEAR.-- Records fair 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	3.3	e15	25	66	e17	24	94	e30	28	5.0	1.6	31
2	2.1	e15	23	58	e18	21	67	e47	22	4.3	1.3	20
3	1.7	e16	23	64	e16	17	53	30	18	4.1	1.2	15
4	1.4	e18	24	893	e14	129	41	24	16	4.7	1.0	12
5	1.3	e22	24	652	e13	343	35	21	15	9.8	0.84	9.5

6	1.2	25	21	174	e13	157	33	18	15	e7.0	0.75	8.2
7	1.1	22	20	94	e12	93	31	16	13	e8.0	0.67	6.9
8	1.0	22	21	66	e12	64	28	15	12	e6.0	0.64	5.7
9	1.00	21	21	50	e11	51	24	15	11	e5.0	0.65	4.8
10	1.1	20	25	38	e11	41	22	14	11	e9.0	0.65	4.1

11	1.5	21	23	36	e10	38	21	13	12	e15	0.53	3.6
12	2.1	22	20	37	e10	32	20	13	10	e30	0.46	3.2
13	2.9	21	20	31	e10	29	19	14	9.0	e20	0.35	2.8
14	20	21	21	31	e10	28	18	17	8.0	42	0.27	2.7
15	39	21	20	28	e10	26	17	23	7.6	e25	0.23	2.7

16	25	22	20	24	e10	27	17	19	140	e15	0.17	2.8
17	18	23	17	58	e12	25	16	17	106	e9.0	0.13	2.4
18	16	166	18	169	e25	23	15	16	69	e5.0	0.95	2.3
19	15	176	16	84	64	20	15	16	41	e3.5	0.49	1.9
20	14	90	15	54	77	22	16	15	29	2.7	1.5	1.6

21	14	60	15	43	50	19	17	13	24	2.3	1.00	1.4
22	e15	45	16	33	32	18	14	13	20	2.5	0.71	1.3
23	e15	59	216	44	35	19	13	14	16	2.0	0.55	1.2
24	e13	167	157	27	42	19	12	46	14	1.6	0.72	1.0
25	e13	89	86	26	35	19	15	69	11	2.0	4.1	1.1

26	e14	62	60	43	29	124	12	48	10	2.0	29	0.96
27	e13	48	50	21	24	159	11	42	8.6	1.6	9.4	0.87
28	e12	39	46	19	21	89	11	44	7.7	1.3	285	0.95
29	e14	34	255	19	21	108	10	32	6.6	1.2	741	0.90
30	e16	32	149	e18	---	220	10	47	5.7	2.2	94	0.90

31	e15	---	88	e18	---	155	---	37	---	2.2	51	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2004, BY WATER YEAR (WY)
MEAN	13.7	33.0	37.3	37.9	45.3	46.1	51.1	52.4	35.1	11.5	4.59	6.29
MAX	88.0	235	131	122	124	117	146	227	102	39.8	39.7	54.2
(WY)	2001	1993	1983	1993	1982	1998	1994	2002	1998	2000	2004	1993
MIN	0.00	0.00	0.13	0.19	0.78	1.70	0.85	8.19	1.27	0.03	0.00	0.00
(WY)	1989	2000	2000	1981	2003	2003	2003	2000	1991	1991	1984	1983

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1980 - 2004
ANNUAL TOTAL	5151.15		13009.54
ANNUAL MEAN	14.1		35.5		31.2
HIGHEST ANNUAL MEAN					61.0	2002
LOWEST ANNUAL MEAN					5.12	2003
HIGHEST DAILY MEAN	267	May 10	893	Jan 4	1680	May 16 1990
LOWEST DAILY MEAN	0.00	A	0.13	Aug 17	0.00	B
ANNUAL SEVEN-DAY MINIMUM	0.00	Aug 16	0.31	Aug 11	0.00	B
MAXIMUM PEAK FLOW			3060	Aug 29	3260 C	May 12 2002
MAXIMUM PEAK STAGE			13.20	Aug 29	13.38	May 12 2002
INSTANTANEOUS LOW FLOW			0.11	Aug 17
ANNUAL RUNOFF (CFSM)	0.408		1.03		0.902
ANNUAL RUNOFF (INCHES)	5.54		13.99		12.26
10 PERCENT EXCEEDS	25		68		69
50 PERCENT EXCEEDS	1.4		17		11
90 PERCENT EXCEEDS	0.16		1.3		0.00

	A - Several days.
	B - Many days in most years.
	C - From rating curve extended above 1,890 ft³/s.