05591550 DATA: Discharge Tables, 2001

Station list Available data
KASKASKIA RIVER BASIN

05591550 WHITLEY CREEK NEAR ALLENVILLE, IL

LOCATION.-- Lat 39°30'24", long 88°31'39", 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, 3.2 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 1994-2001. 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, U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 617.00 ft above sea level (levels by U.S. Army Corps of Engineers).

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISHCARGE AND STAGE: Maximum discharge, 3,200 ft³/s, April 29, 1996, gage height, 12.62 ft, from rating curve extended above 1,890 ft³/s; maximum gage height, 13.04 ft, discharge, 2,890 ft³/s, June 2, 1999; 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 information by U.S. Army Corps of Engineers.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	41	15	35	e11	80	51	18	32	39	5.9	4.2	.40
2	35	15	30	e10	57	45	17	32	28	5.0	4.1	.74
3	30	13	28	e11	43	39	17	21	21	4.6	6.0	.55
4	37	13	28	e12	35	35	16	18	123	4.5	5.2	.26
5	1200	13	26	e12	31	30	16	17	142	4.3	2.4	.15

6	454	16	24	e11	29	28	17	16	719	2.9	1.5	.11
7	182	37	25	e11	29	27	17	15	251	2.4	1.0	.09
8	113	25	22	e10	49	26	16	14	129	2.2	.85	.15
9	78	95	19	e10	339	24	16	13	81	2.6	.69	.87
10	60	159	20	e11	261	23	16	13	58	2.9	.55	.81

11	46	86	40	e11	122	23	109	13	45	1.6	.46	.88
12	38	62	81	e11	79	23	64	12	36	1.1	.34	.56
13	34	105	49	e12	62	23	37	11	29	.92	.29	.38
14	32	81	e35	e22	96	20	31	12	24	.80	.23	.21
15	31	58	e29	e80	108	21	30	12	23	.65	.21	.17

16	27	50	e27	e46	81	26	24	12	19	.56	.24	.13
17	26	39	e25	e28	56	28	21	11	17	.52	.24	.12
18	24	34	e30	e24	44	25	19	73	16	6.2	.27	.33
19	23	32	e28	e20	41	24	20	48	14	1.8	.33	.62
20	22	28	e24	e17	35	24	20	30	14	1.1	.30	.59

21	21	24	e22	e18	29	23	18	25	18	.72	.30	.55
22	19	24	e20	e17	30	22	17	19	16	.55	.23	.52
23	18	23	e18	e16	26	21	17	18	13	.79	.34	.37
24	18	22	e17	e15	36	20	16	18	11	.92	.47	.24
25	18	56	e16	e15	282	19	15	16	10	2.3	1.6	.20

26	19	159	e17	e17	126	19	15	18	9.2	32	1.2	.19
27	18	90	e17	e15	83	18	15	17	8.6	11	.64	.14
28	17	60	e15	e14	61	19	14	15	8.6	3.9	.42	.13
29	16	48	e14	e110	---	19	13	13	7.4	31	.23	.14
30	16	38	e13	329	---	19	13	13	6.7	28	.20	.15

31	15	---	e12	144	---	18	---	18	---	9.3	.37	---

TOTAL	2728	1520	806	1090	2350	782	694	615	1936.5	173.03	35.40	10.75
MEAN	88.0	50.7	26.0	35.2	83.9	25.2	23.1	19.8	64.6	5.58	1.14	.36
MAX	1200	159	81	329	339	51	109	73	719	32	6.0	.88
MIN	15	13	12	10	26	18	13	11	6.7	.52	.20	.09
CFSM	2.54	1.46	.75	1.02	2.43	.73	.67	.57	1.87	.16	.03	.01
IN.	2.93	1.63	.87	1.17	2.53	.84	.75	.66	2.08	.19	.04	.01

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2001, BY WATER YEAR (WY)
MEAN	11.1	34.2	36.3	37.7	48.2	45.4	51.0	46.7	37.4	12.1	3.40	6.31
MAX	88.0	235	131	122	124	117	146	141	102	39.8	14.1	54.2
(WY)	2001	1993	1983	1993	1982	1998	1994	1996	1998	2000	1981	1993
MIN	.000	.000	.13	.19	1.98	4.00	4.29	8.19	1.27	.031	.000	.000
(WY)	1989	2000	2000	1981	2000	2000	2000	2000	1991	1991	1984	1983

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1980 - 2001
ANNUAL TOTAL	10422.11		12740.68
ANNUAL MEAN	28.5		34.9		30.8
HIGHEST ANNUAL MEAN					59.8	1993
LOWEST ANNUAL MEAN					12.4	1992
HIGHEST DAILY MEAN	1200	Oct 5	1200	Oct 5	1680	May 16 1990
LOWEST DAILY MEAN	.00	Several days	.09	Sep 7	.00	A
ANNUAL SEVEN-DAY MINIMUM	.00	Jan 22	.17	Sep 24	.00	Aug 11 1983
MAXIMUM PEAK FLOW			1890	Oct 5	3200 B	Apr 29 1996
MAXIMUM PEAK STAGE			12.22	Oct 5	13.04 C	Jun 2 1999
INSTANTANEOUS LOW FLOW			.02	Sep 8
ANNUAL RUNOFF (CFSM)	.82		1.01		.89
ANNUAL RUNOFF (INCHES)	11.21		13.70		12.11
10 PERCENT EXCEEDS	59		68		69
50 PERCENT EXCEEDS	6.9		18		11
90 PERCENT EXCEEDS	.62		.44		.00

	A - Many days in most years.
	B - Gage height, 12.62 ft, from rating curve extended above 1,890 ft³/s.
	C - Discharge, 2,890 ft³/s.