05570910 DATA: Discharge Tables, 2003

Station list Available data
ILLINOIS RIVER BASIN


LOCATION.-- Lat 40°18'38", long 88°19'20" (NAD of 1927), in NE1/4NW1/4 sec.5, T.21 N., R.8 E., Champaign County, Hydrologic Unit 07130006, on left downstream side of bridge on U.S. Highway 136, 1.2 mi east of Fisher, 8.8 mi west of Rantoul, and at mile 201.1.

DRAINAGE AREA.-- 240 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1978 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1979-91.
	BIOLOGICAL: Benthic macroinvertebrates, Water year 1997.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 683.23 ft above NGVD of 1929.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 13,000 ft³/s, Apr. 12, 1994, gage height, 21.58 ft; no flow several days in 1988, 1994, 1999 and 2000.

REMARKS FOR CURRENT YEAR.-- Records good except those for 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	7.1	8.8	8.9	69	e18	e17	40	61	82	70	53	356
2	6.6	7.7	7.0	47	e20	e16	40	74	72	62	48	623
3	6.3	7.5	8.2	35	24	e15	35	62	76	56	206	320
4	7.0	7.2	7.8	30	37	e15	42	57	76	50	203	184
5	9.4	8.3	7.3	27	e33	e18	361	242	68	45	132	117

6	10	11	7.1	25	e19	e23	344	354	62	324	76	81
7	8.3	12	6.8	24	e14	e27	370	247	65	242	56	60
8	7.4	10	7.1	19	e12	e50	517	190	64	113	45	49
9	8.4	10	7.5	22	e11	e78	373	309	61	352	40	41
10	6.3	11	6.9	25	e11	e67	283	546	55	1900	35	36

11	6.3	14	6.9	17	e10	e58	228	924	73	2450	31	32
12	6.5	13	7.2	15	e9.4	e62	189	822	226	1520	28	29
13	6.1	12	7.9	14	e9.6	e64	156	469	314	678	26	28
14	5.9	11	8.6	e13	e10	65	135	337	800	313	26	28
15	5.6	11	8.7	e13	e9.8	48	123	454	884	232	25	26

16	5.5	11	8.5	e12	e9.2	43	116	393	415	182	22	22
17	5.8	12	8.5	e12	e8.8	45	109	297	271	144	20	20
18	5.5	12	10	e12	8.5	44	95	248	215	411	19	18
19	5.4	11	56	e11	9.9	40	81	216	184	738	17	18
20	6.7	11	68	e11	12	42	87	194	154	342	16	16

21	5.7	12	43	e10	16	104	91	192	133	260	15	15
22	4.8	11	29	e9.8	25	147	80	167	120	261	14	15
23	4.2	10	21	e9.6	36	114	66	153	109	202	12	15
24	4.2	9.4	18	e9.4	42	85	61	142	97	177	11	15
25	4.3	9.3	17	e9.6	31	74	74	133	86	137	7.7	14

26	5.0	8.5	17	e10	e21	72	78	122	80	113	5.8	14
27	5.9	8.8	15	e12	e18	62	65	111	76	96	5.8	79
28	5.0	8.3	13	e13	e17	57	59	106	68	86	5.3	79
29	6.4	8.4	13	e14	---	58	57	109	67	81	57	49
30	9.1	8.8	15	e15	---	48	54	100	75	69	201	37

31	9.3	---	65	e15	---	40	---	96	---	60	100	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 2003, BY WATER YEAR (WY)
MEAN	69.2	162	174	152	262	362	354	404	280	174	80.9	47.1
MAX	645	1453	669	898	843	1225	1135	1349	775	935	711	605
(WY)	1994	1986	1983	1993	2001	1979	1979	1981	1998	1981	1981	1993
MIN	0.55	4.74	6.65	4.35	15.1	31.8	47.9	80.4	20.8	1.94	0.59	0.33
(WY)	1989	2000	1999	2000	1979	2000	2000	1988	1988	1988	1988	1988

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1979 - 2003
ANNUAL TOTAL	81467.9		37042.1
ANNUAL MEAN	223		101		210
HIGHEST ANNUAL MEAN					499	1993
LOWEST ANNUAL MEAN					32.4	2000
HIGHEST DAILY MEAN	3620	May 13	2450	Jul 11	9250	Apr 12 1994
LOWEST DAILY MEAN	4.2	Oct 23,24	4.2	Oct 23,24	0.00	A
ANNUAL SEVEN-DAY MINIMUM	4.8	Oct 22	4.8	Oct 22	0.00	Sep 13 1988
MAXIMUM PEAK FLOW			2700	Jul 11	13000	Apr 12 1994
MAXIMUM PEAK STAGE			14.66	Jul 11	21.58	Apr 12 1994
INSTANTANEOUS LOW FLOW			3.5	Oct 24
ANNUAL RUNOFF (CFSM)	0.93		0.42		0.87
ANNUAL RUNOFF (INCHES)	12.63		5.74		11.87
10 PERCENT EXCEEDS	611		253		514
50 PERCENT EXCEEDS	59		35		80
90 PERCENT EXCEEDS	7.6		7.4		4.6

	A - Several days in 1988, 1994, 1999, and 2000.