05590950 DATA: Discharge Tables, 1999

Station list Available data
KASKASKIA RIVER BASIN

05590950 KASKASKIA RIVER AT CHESTERVILLE, IL

LOCATION.--Lat 39°42'12", long 88°23'17", in SE1/4NW1/4 sec. 35, T.15 N., R.7 E., Douglas County, Hydrologic Unit 07140201, on left bank at upstream side of bridge on State Highway 133 in Chesterville, and at mile 254.0.

DRAINAGE AREA.--358 mi².

PERIOD OF RECORD.--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 and crest-stage gage. Datum of gage is 600.00 ft above sea level (levels by U.S. Army Corps of Engineers).

REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 5, 1979 reached a stage of 44.84 ft, discharge undetermined, from information by the U.S. Army Corps of Engineers.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	12	24	22	e11	864	252	142	477	196	149	22	8.7
2	19	18	21	e10	1030	223	144	441	921	135	20	14
3	11	25	16	e10	926	310	130	420	1280	112	8.6	13
4	9.7	39	14	e10	750	e380	136	394	1180	93	16	13
5	10	38	16	e9.5	586	e430	128	386	1420	79	15	9.2

6	12	33	19	e13	517	e400	120	396	1650	69	13	8.1
7	27	26	17	e16	933	e360	130	371	1440	63	12	10
8	24	28	21	e15	2320	e330	113	319	1030	56	14	11
9	16	28	21	e13	2430	e340	200	261	744	50	57	11
10	11	33	20	e12	1690	e370	316	225	552	46	33	11

11	10	101	17	e11	1220	e320	348	213	443	41	19	9.5
12	10	79	17	e11	1060	e330	456	207	380	36	15	11
13	10	45	20	e12	1000	e410	373	331	355	32	98	12
14	14	37	20	e12	807	e460	270	563	541	29	591	8.6
15	14	32	20	e12	643	e450	322	568	635	26	822	5.8

16	13	30	20	e13	571	e400	1040	498	497	23	498	5.4
17	13	28	19	e14	533	e370	1880	433	362	22	181	5.4
18	17	28	20	e60	502	e330	1860	436	270	20	84	5.2
19	22	27	19	e200	469	309	1430	578	221	23	49	4.8
20	22	24	21	e170	432	260	1090	547	195	21	35	8.1

21	16	20	25	e210	384	258	1220	468	180	38	28	7.1
22	13	20	21	951	330	244	1860	443	300	28	23	9.9
23	13	22	18	2470	309	214	1550	479	306	22	19	9.7
24	9.8	21	23	3180	304	203	1080	450	286	18	20	8.9
25	8.8	21	22	2560	282	188	800	382	364	32	26	8.8

26	10	22	17	1700	261	165	633	295	299	19	27	9.9
27	16	24	14	1220	255	155	563	237	286	12	19	10
28	17	19	e13	1000	278	153	554	202	336	63	12	9.2
29	26	16	e12	798	---	150	569	184	261	75	9.0	19
30	22	21	e12	614	---	135	530	170	192	48	7.8	40

31	32	---	e11	565	---	130	---	164	---	28	7.5	---

TOTAL	480.3	929	568	15902.5	21686	9029	19987	11538	17122	1508	2800.9	317.3
MEAN	15.5	31.0	18.3	513	774	291	666	372	571	48.6	90.4	10.6
MAX	32	101	25	3180	2430	460	1880	578	1650	149	822	40
MIN	8.8	16	11	9.5	255	130	113	164	180	12	7.5	4.8
CFSM	.04	.09	.05	1.43	2.16	.81	1.86	1.04	1.59	.14	.25	.03
IN.	.05	.10	.06	1.65	2.25	.94	2.08	1.20	1.78	.16	.29	.03

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 1999, BY WATER YEAR (WY)
MEAN	15.4	41.0	120	380	523	630	540	1066	759	117	57.9	31.2
MAX	18.4	46.5	329	529	793	1233	769	2146	1378	355	92.0	111
(WY)	1998	1996	1998	1998	1997	1998	1998	1996	1998	1998	1995	1997
MIN	11.4	31.0	18.3	228	144	237	147	247	370	48.6	15.1	8.98
(WY)	1997	1999	1999	1997	1996	1996	1997	1997	1995	1999	1996	1998

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1995 - 1999
ANNUAL TOTAL	191045.0		101868.0
ANNUAL MEAN	523		279		364
HIGHEST ANNUAL MEAN					551	1998
LOWEST ANNUAL MEAN					256	1997
HIGHEST DAILY MEAN	4180	May 5	3180	Jan 24	7320	May 11 1996
LOWEST DAILY MEAN	4.7	Sep 10	4.8	Sep 19	4.7	Sep 10 1998
ANNUAL SEVEN-DAY MINIMUM	6.0	Sep 9	6.0	Sep 15	6.0	Sep 15 1999
INSTANTANEOUS PEAK FLOW			3260	Jan 24	8290	May 10 1996
INSTANTANEOUS PEAK STAGE			40.31	Jan 24	43.86	May 10 1996
INSTANTANEOUS LOW FLOW			4.1	Sep 19	4.1	Sep 19 1999
ANNUAL RUNOFF (CFSM)	1.46		.78		1.02
ANNUAL RUNOFF (INCHES)	19.85		10.59		13.83
10 PERCENT EXCEEDS	1630		799		1080
50 PERCENT EXCEEDS	206		56		102
90 PERCENT EXCEEDS	11		11		11