05592100 DATA: Discharge Tables, 1999

Station list Available data
KASKASKIA RIVER BASIN

05592100 KASKASKIA RIVER NEAR COWDEN, IL

LOCATION.--Lat 39°13'50", long 88°50'33", 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.--July 1970 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 500.00 ft above sea level (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.--Records good except those for estimated daily discharges, which are poor. Flow partially regulated by Lake Shelbyville (station 05591950), 26 mi upstream from gage. U.S. Army Corps of Engineers satellite telemeter at station.

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	48	37	43	1220	4900	1910	382	1780	1010	1160	1140	61
2	47	41	42	1210	4540	1720	324	1650	9170	1170	947	53
3	45	72	40	1180	4190	1600	252	1470	3270	1360	822	31
4	46	82	40	1230	3900	1540	232	1080	1530	1400	682	30
5	46	66	41	1160	3570	1450	205	959	1720	1480	576	30

6	51	47	41	1000	3180	1280	386	2160	1420	1380	425	28
7	52	42	42	584	8340	1210	302	1430	1270	1280	308	28
8	47	41	42	399	7760	1190	277	1220	1300	1230	193	28
9	44	41	40	e250	5200	1220	406	1150	1280	1460	118	27
10	42	112	39	e130	3590	1280	306	1050	1290	2130	77	26

11	41	165	38	e90	3280	1240	283	928	2400	925	67	26
12	41	94	38	e80	3650	1200	265	945	2880	1200	63	27
13	40	65	38	e75	3290	1100	257	1980	1690	1440	66	27
14	39	55	34	e70	3100	1080	253	1300	2060	1450	59	26
15	40	47	35	e120	3040	1130	571	1260	1620	1340	54	25

16	39	43	280	e230	3010	1130	1070	1130	1710	1230	51	25
17	40	41	1010	e240	2970	1120	1430	946	1670	1110	49	24
18	44	39	1150	e800	2920	1100	1740	662	1620	1000	48	24
19	42	39	1170	990	2890	1090	1720	785	1330	978	136	24
20	39	39	1160	1270	2860	1000	1630	763	1150	964	285	24

21	38	38	1190	1550	2830	981	1480	676	1140	863	262	24
22	37	37	1560	4900	2800	976	1260	773	1220	844	148	23
23	36	38	1650	5410	2790	976	1130	713	1220	1200	107	27
24	36	38	1660	4630	2710	962	1250	812	1340	1570	80	29
25	36	40	1660	3380	2510	863	1170	1080	1330	1610	70	25

26	36	40	1650	3600	2380	755	1070	1190	1250	1600	67	23
27	36	41	1660	3950	2160	644	1050	1100	1130	1510	65	23
28	36	40	1650	3990	2100	624	1770	894	1010	1500	64	24
29	37	40	1580	3930	---	616	1750	865	884	1480	63	34
30	39	42	1410	3880	---	516	1820	857	1110	1390	61	32

31	39	---	1370	4390	---	403	---	815	---	1260	61	---

TOTAL	1279	1602	22403	55938	100460	33906	26041	34423	53024	40514	7214	858
MEAN	41.3	53.4	723	1804	3588	1094	868	1110	1767	1307	233	28.6
MAX	52	165	1660	5410	8340	1910	1820	2160	9170	2130	1140	61
MIN	36	37	34	70	2100	403	205	662	884	844	48	23

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY)
MEAN	384	597	1495	1741	1970	2107	1526	1111	1176	1027	751	399
MAX	1769	2572	4259	4425	4787	5897	5221	4257	3258	2954	2360	1868
(WY)	1975	1994	1986	1993	1974	1979	1979	1996	1974	1974	1974	1974
MIN	13.2	12.1	7.27	8.02	69.4	332	140	36.3	25.6	24.5	19.6	13.5
(WY)	1988	1977	1977	1977	1977	1992	1986	1987	1988	1976	1976	1976

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1970 - 1999
ANNUAL TOTAL	547457		377662
ANNUAL MEAN	1500		1035		1192
HIGHEST ANNUAL MEAN					2409	1974
LOWEST ANNUAL MEAN					353	1977
HIGHEST DAILY MEAN	7540	Mar 28	9170	Jun 2	17300	Apr 12 1979
LOWEST DAILY MEAN	34	Dec 14	23	Sep 22,26,27	4.6	Oct 6 1984
ANNUAL SEVEN-DAY MINIMUM	36	Oct 22	24	Sep 16	6.0	Nov 30 1976
INSTANTANEOUS PEAK FLOW			14500	Jun 2	19700 A	Apr 12 1979
INSTANTANEOUS PEAK STAGE			18.61	Jun 2	19.12 B	Feb 23 1985
INSTANTANEOUS LOW FLOW			23	C
10 PERCENT EXCEEDS	2740		2740		2930
50 PERCENT EXCEEDS	1460		884		792
90 PERCENT EXCEEDS	40		37		32

A - Gage height, 18.97 ft.
B - Discharge, 16,800 ft³/s.
C - Sept. 21-23, 25-28.