05579500 DATA: Discharge Tables, 2003

Station list Available data
ILLINOIS RIVER BASIN


LOCATION.-- Lat 39°57'05", long 89°23'01" (NAD of 1927), in NW1/4 SW1/4 sec.1, T.17 N., R.3 W., Logan County, Hydrologic Unit 07130009, on right bank at downstream side of bridge on State Highway 54, 100 ft upstream from a railroad bridge, 2.0 mi northeast of Cornland, 8 mi downstream from Jones Fork, and at mile 12.9.

DRAINAGE AREA.-- 214 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: January 1948 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 555.06 ft above NGVD of 1929. Prior to Sept. 6, 1973, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,930 ft³/s, Apr. 12, 1979, gage height, 23.11 ft; minimum, 0.30 ft³/s, Sept. 16, 1988.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood in May 1943 reached a stage of 23.4 ft, from floodmarks, discharge 29,000 ft³/s, by contracted-opening measurement of peak flow.

REMARKS FOR CURRENT YEAR.-- Records fair except those for Oct. 1 - Apr. 16 and 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	11	49	28	67	e31	e43	85	85	101	77	53	235
2	11	46	27	60	e34	e42	77	80	97	74	50	212
3	12	44	23	55	e37	e40	68	74	101	69	50	98
4	e15	41	e24	52	e44	e41	69	77	95	65	51	65
5	e20	42	e23	51	e40	e45	89	182	88	60	46	50

6	e16	49	e22	46	e36	e50	81	207	86	56	42	41
7	e14	48	e21	43	e32	e54	147	196	90	54	39	35
8	e12	45	e20	49	e30	e64	193	161	83	50	36	30
9	11	45	e22	49	e28	e78	164	180	80	73	34	27
10	11	44	e21	45	e26	e70	144	506	79	752	32	25

11	12	39	e24	e42	e24	e68	132	755	428	533	30	22
12	10	34	e26	e39	e22	72	127	523	1500	245	28	21
13	9.5	33	27	e36	e20	122	e120	398	860	163	27	21
14	9.9	33	26	e34	e23	195	e115	317	623	127	25	20
15	10	34	26	e31	e25	e160	e112	288	449	104	24	19

16	10	31	26	e30	e23	e122	e110	267	360	87	22	17
17	11	30	25	e28	e21	e108	106	249	296	75	21	16
18	13	30	27	e27	e22	e97	95	210	230	714	20	16
19	31	29	47	e26	e24	102	90	185	208	490	19	16
20	43	29	49	e25	e30	161	92	169	183	234	19	15

21	35	29	45	e23	e40	241	90	153	159	307	18	14
22	30	29	40	e22	e70	221	84	146	146	333	17	15
23	27	27	35	e21	e64	195	78	138	132	190	e16	14
24	20	27	e34	e21	e57	170	79	133	120	139	e15	13
25	24	27	e33	e20	e50	147	91	127	111	112	e13	14

26	28	25	e32	e20	e47	136	101	118	108	94	13	14
27	27	25	e31	e20	e44	122	93	112	99	82	12	16
28	26	27	e30	e22	e43	120	89	120	94	75	12	15
29	34	29	e30	e24	---	104	86	166	87	69	14	13
30	55	28	46	e26	---	97	84	131	81	62	16	13

31	54	---	77	e29	---	88	---	117	---	57	25	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2003, BY WATER YEAR (WY)
MEAN	62.2	78.1	141	147	218	264	290	304	245	133	73.8	41.4
MAX	680	1009	1260	988	712	1116	1016	1146	1099	772	887	546
(WY)	1978	1986	1983	1950	1959	1979	1979	2002	1974	1981	1981	1993
MIN	2.02	2.06	2.46	4.01	5.02	6.56	16.7	7.27	17.0	7.20	3.30	1.57
(WY)	1955	1955	1964	1977	1963	1954	1954	1954	1963	1954	2001	1954

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1948 - 2003
ANNUAL TOTAL	112829.4		32550.4
ANNUAL MEAN	309		89.2		166
HIGHEST ANNUAL MEAN					372	1993
LOWEST ANNUAL MEAN					8.89	1954
HIGHEST DAILY MEAN	4550	May 13	1500	Jun 12	7000	Dec 4 1982
LOWEST DAILY MEAN	9.5 A	Oct 13	9.5 A	Oct 13	0.77	Sep 16 1988
ANNUAL SEVEN-DAY MINIMUM	10	Oct 10	10	Oct 10	0.96	Sep 7 1988
MAXIMUM PEAK FLOW			1590	Jun 12	8930	Apr 12 1979
MAXIMUM PEAK STAGE			14.66	Jun 12	23.11	Apr 12 1979
INSTANTANEOUS LOW FLOW			9.5 A	Oct 13	0.30	Sep 16 1988
ANNUAL RUNOFF (CFSM)	1.44		0.42		0.78
ANNUAL RUNOFF (INCHES)	19.61		5.66		10.56
10 PERCENT EXCEEDS	868		187		401
50 PERCENT EXCEEDS	78		45		62
90 PERCENT EXCEEDS	17		16		7.0

	A - May have been less during period of partial record, Oct. 1-18.