05590950 DATA: Discharge Tables, 1998

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 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	19	18	777	162	298	396	1340	1390	576	1090	106	10
2	18	25	752	192	262	361	1170	1580	496	873	62	11
3	17	31	547	177	236	337	1010	1960	438	653	48	10
4	16	25	373	175	210	311	1340	3620	385	538	40	9.6
5	16	24	256	242	206	275	1720	4180	371	501	40	9.7

6	15	26	184	635	194	243	1480	2830	358	427	45	9.2
7	16	46	142	973	174	229	1180	1890	310	487	62	8.6
8	18	57	127	1320	160	314	1300	2020	278	1090	77	8.1
9	18	54	117	1920	149	914	1430	2210	545	1080	94	6.8
10	21	46	228	1960	142	1340	1190	1730	924	769	84	4.7

11	21	38	478	1520	173	1240	928	1280	860	547	134	6.4
12	18	33	473	1130	338	982	744	1010	1050	408	78	5.5
13	18	30	365	e750	380	781	650	819	2100	318	45	6.2
14	19	32	278	e510	322	738	678	824	2270	254	34	6.4
15	29	32	217	e450	272	747	710	756	2410	207	29	6.2

16	19	35	182	e390	261	713	670	637	3620	176	25	7.0
17	16	32	162	e340	358	804	599	535	3380	150	22	11
18	15	30	142	e290	792	1640	502	450	2660	128	21	11
19	15	29	125	e260	988	2150	446	408	2330	111	22	6.7
20	14	27	112	e235	896	2260	406	555	2440	101	19	7.4

21	13	28	99	221	775	3110	388	865	1900	99	16	17
22	13	32	112	215	665	3050	389	810	1400	71	16	17
23	12	31	167	207	589	2240	353	1230	2040	118	14	7.2
24	13	28	241	196	525	1630	324	2170	2150	218	13	5.9
25	e14	26	637	180	457	1280	307	2820	1650	129	13	8.1

26	e16	26	810	171	410	1060	304	2570	1190	86	13	17
27	e25	25	667	188	420	889	280	1740	917	66	11	8.9
28	e37	30	498	282	433	1340	234	1230	742	57	11	8.1
29	e30	106	385	376	---	2650	265	952	640	50	11	7.8
30	22	373	314	382	---	2470	729	762	902	51	11	11

31	17	---	239	335	---	1730	---	657	---	139	9.2	---

TOTAL	570	1375	10206	16384	11085	38224	23066	46490	41332	10992	1225.2	269.5
MEAN	18.4	45.8	329	529	396	1233	769	1500	1378	355	39.5	8.98
MAX	37	373	810	1960	988	3110	1720	4180	3620	1090	134	17
MIN	12	18	99	162	142	229	234	408	278	50	9.2	4.7
CFSM	.05	.13	.92	1.48	1.11	3.44	2.15	4.19	3.85	.99	.11	.03
IN.	.06	.14	1.06	1.70	1.15	3.97	2.40	4.83	4.29	1.14	.13	.03

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 1998, BY WATER YEAR (WY)
MEAN	15.3	44.4	154	336	441	742	499	1298	805	134	49.8	36.4
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	40.7	38.1	228	144	237	147	247	370	54.3	15.1	8.98
(WY)	1997	1997	1996	1997	1996	1996	1997	1997	1995	1997	1996	1998

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1995 - 1998
ANNUAL TOTAL	100938.1		201218.7
ANNUAL MEAN	277		551		393
HIGHEST ANNUAL MEAN					551	1998
LOWEST ANNUAL MEAN					256	1997
HIGHEST DAILY MEAN	3050	Feb 28	4180	May 5	7320	May 11 1996
LOWEST DAILY MEAN	7.9	Aug 1	4.7	Sep 10	4.7	Sep 10 1998
ANNUAL SEVEN-DAY MINIMUM	9.9	Jul 28	6.0	Sep 9	6.0	Sep 9 1998
INSTANTANEOUS PEAK FLOW			4470	May 5	8290	May 10 1996
INSTANTANEOUS PEAK STAGE			41.49	May 5	43.86	May 10 1996
INSTANTANEOUS LOW FLOW			4.4	Sep 10	4.4	Sep 10 1998
ANNUAL RUNOFF (CFSM)	.77		1.54		1.10
ANNUAL RUNOFF (INCHES)	10.49		20.91		14.91
10 PERCENT EXCEEDS	785		1630		1180
50 PERCENT EXCEEDS	119		261		111
90 PERCENT EXCEEDS	18		13		11