05590950 DATA: Discharge Tables, 2003

Station list Available data
KASKASKIA RIVER BASIN


LOCATION.-- Lat 39°42'11", long 88°23'11" (NAD of 1927), in SE1/4NW1/4 sec.35, T.15 N., R.7 E., Douglas County, Hydrologic Unit 07140201, on left bank at downstream side of bridge on State Highway 133 at Chesterville, and at mile 254.0.

DRAINAGE AREA.-- 358 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: May 1995 to current year.
	STAGE: May 1995 to current year. Gage-height record for Jan. 1974 to July 1983, and Apr. 4, 1995 to May 11, 1995 available in files of U.S. Army Corps of Engineers.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 600.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,530 ft³/s, May 13, 2002, gage height, 45.52 ft; minimum discharge, 4.1 ft³/s, Sept. 19, 1999.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of Mar. 5, 1979 reached a stage of 44.84 ft, discharge undetermined, from information by the 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 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	8.8	22	18	31	e10	e48	50	44	125	105	30	264
2	9.0	19	16	23	e10	e46	54	50	122	97	28	561
3	11	18	20	20	e11	e44	55	46	113	82	27	601
4	14	17	19	17	e12	e44	54	43	110	74	48	369
5	17	18	18	19	e14	e46	73	130	101	64	32	167

6	21	18	18	20	e18	e50	65	308	89	57	27	96
7	14	23	18	18	e23	e62	57	368	89	56	26	71
8	14	20	17	18	e21	e58	74	307	92	50	24	57
9	13	19	17	19	e22	e64	69	268	83	60	24	49
10	11	21	18	20	e23	e62	62	825	78	731	23	41

11	11	20	18	17	e26	e58	60	1670	77	1890	21	36
12	12	18	18	16	e24	e64	59	1520	145	1880	21	34
13	12	17	18	e15	e23	80	55	1100	552	1260	20	31
14	15	16	18	e14	e25	233	51	747	832	720	19	30
15	15	16	17	e13	e29	221	51	551	842	424	20	30

16	9.3	18	15	e12	e31	173	48	618	641	233	20	29
17	11	19	16	e12	e29	141	49	591	429	141	18	27
18	12	18	17	e11	e28	120	55	456	273	110	17	26
19	16	18	27	e11	e30	109	50	329	219	143	16	26
20	34	19	30	e10	e37	111	46	269	197	102	16	25

21	23	19	21	e9.8	e60	108	51	294	157	107	14	25
22	18	20	17	e9.8	e86	97	49	260	134	195	15	25
23	17	20	15	e9.6	e140	86	46	216	124	155	15	26
24	15	18	14	e9.6	e110	78	42	185	108	96	14	27
25	16	18	14	e9.4	e90	77	46	165	101	70	14	24

26	22	19	13	e9.4	e72	75	61	149	94	55	13	24
27	25	19	17	e9.4	e62	69	54	133	89	47	14	29
28	20	19	14	e9.6	e46	66	48	121	83	41	15	65
29	22	19	13	e9.6	---	69	48	120	76	40	15	47
30	26	18	14	e9.6	---	67	42	114	76	39	23	35

31	29	---	23	e9.8	---	55	---	111	---	34	36	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 2003, BY WATER YEAR (WY)
MEAN	90.6	83.7	148	245	542	491	475	877	621	159	51.8	54.5
MAX	355	377	470	529	1219	1233	1123	2146	1378	475	100	200
(WY)	2001	2001	2002	1998	2001	1998	2002	1996	1998	2000	2000	2000
MIN	11.4	18.8	17.7	14.2	39.7	86.5	54.1	114	208	38.0	15.1	8.98
(WY)	1997	2003	2003	2003	2003	2003	2003	2001	2003	2001	1996	1998

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1995 - 2003
ANNUAL TOTAL	163970.8		38561.7
ANNUAL MEAN	449		106		322
HIGHEST ANNUAL MEAN					551	1998
LOWEST ANNUAL MEAN					106	2003
HIGHEST DAILY MEAN	7990	May 13	1890	Jul 11	7990	May 13 2002
LOWEST DAILY MEAN	8.8	Oct 1	8.8	Oct 1	4.7	Sep 10 1998
ANNUAL SEVEN-DAY MINIMUM	9.5	Sep 26	9.5 A	Jan 23	6.0	Sep 15 1999
MAXIMUM PEAK FLOW			2080	Jul 11	8530	May 13 2002
MAXIMUM PEAK STAGE			38.98	Jul 11	45.52	May 13 2002
INSTANTANEOUS LOW FLOW			7.6	Oct 2	4.1	Sep 19 1999
ANNUAL RUNOFF (CFSM)	1.25		0.30		0.90
ANNUAL RUNOFF (INCHES)	17.04		4.01		12.22
10 PERCENT EXCEEDS	1340		220		892
50 PERCENT EXCEEDS	80		31		94
90 PERCENT EXCEEDS	13		14		14

	A - Estimated due to backwater from ice.