05579500 DATA: Discharge Tables, 2004

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, phone telemeter, and crest-stage gage. 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 poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	13	15	e200	147	e62	69	531	124	431	97	33	e257
2	13	17	187	143	e60	66	434	125	315	92	30	e210
3	13	14	173	137	e58	59	401	116	257	89	28	e174
4	14	15	159	231	e57	73	350	113	225	90	26	e140
5	14	18	150	514	e56	370	308	110	209	79	24	111

6	14	18	131	e380	e55	420	288	101	170	75	22	88
7	14	18	130	305	e54	308	273	94	160	112	21	77
8	13	18	125	275	e53	240	224	88	157	91	19	68
9	13	18	113	251	e52	204	202	87	148	80	17	61
10	13	18	129	221	e51	171	171	84	151	428	18	54

11	13	18	129	208	e50	162	159	101	295	510	17	49
12	13	19	115	194	e49	149	151	114	378	397	16	47
13	13	18	112	170	e49	138	148	102	253	252	15	43
14	19	16	115	161	e48	136	139	262	200	183	14	41
15	19	19	109	153	e48	127	133	543	484	152	13	55

16	18	17	109	139	e48	129	130	415	996	123	12	50
17	17	17	99	135	e54	124	123	326	588	106	12	43
18	17	669	96	e130	63	117	115	308	405	92	11	39
19	16	1650	92	e120	101	103	113	587	333	80	11	36
20	16	1800	84	e110	141	103	113	456	276	72	12	34

21	16	1120	84	e96	129	95	120	390	246	64	13	33
22	15	678	91	e82	95	89	109	346	225	61	11	31
23	15	569	255	e76	87	89	113	300	191	84	10	30
24	15	695	373	e72	85	89	108	265	173	58	26	30
25	16	605	281	e75	79	90	141	1080	158	51	50	29

26	20	516	225	e82	75	441	150	1030	145	46	874	29
27	15	e415	201	e76	72	1170	139	633	131	43	449	27
28	16	e340	187	e73	68	789	132	484	122	39	369	27
29	16	e283	178	e70	68	836	124	400	112	36	982	26
30	15	e230	168	e66	---	730	117	395	103	38	623	26

31	16	---	157	e64	---	595	---	593	---	38	402	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2004, BY WATER YEAR (WY)
MEAN	61.3	82.6	141	147	215	264	288	305	245	133	74.9	41.9
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 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1948 - 2004
ANNUAL TOTAL	44973		64165
ANNUAL MEAN	123		175		166
HIGHEST ANNUAL MEAN					372	1993
LOWEST ANNUAL MEAN					8.89	1954
HIGHEST DAILY MEAN	1800	Nov 20	1800	Nov 20	7000	Dec 4 1982
LOWEST DAILY MEAN	12	Aug 27, 28	10	Aug 23	0.77	Sep 16 1988
ANNUAL SEVEN-DAY MINIMUM	13	Oct 7	11	Aug 17	0.96	Sep 7 1988
MAXIMUM PEAK FLOW			1850	Nov 20	8930	Apr 12 1979
MAXIMUM PEAK STAGE			15.77	Nov 20	23.11	Apr 12 1979
INSTANTANEOUS LOW FLOW			9.9	Aug 23	0.30	Sep 16 1988
ANNUAL RUNOFF (CFSM)	0.576		0.819		0.778
ANNUAL RUNOFF (INCHES)	7.82		11.15		10.57
10 PERCENT EXCEEDS	247		422		402
50 PERCENT EXCEEDS	69		104		62
90 PERCENT EXCEEDS	15		16		7.0