05570910 DATA: Discharge Tables, 2004

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 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	31	28	263	253	e68	78	1490	108	2770	106	26	32
2	27	25	223	241	e66	85	1100	108	1690	98	21	22
3	26	27	209	231	e63	71	763	111	906	94	19	16
4	28	32	204	342	e61	80	548	116	468	96	24	13
5	26	55	203	654	e60	531	431	110	364	86	28	11

6	22	86	212	445	e58	706	364	100	313	75	17	8.9
7	20	74	217	349	e57	460	321	91	271	73	13	7.3
8	19	60	222	277	e56	321	287	84	240	67	11	6.3
9	18	50	222	233	e55	254	246	83	214	63	11	5.5
10	18	43	246	196	e54	204	215	80	209	211	15	4.3

11	16	52	305	184	e52	184	198	82	1310	273	11	5.1
12	15	93	255	180	e51	159	181	87	2460	158	8.8	5.3
13	15	114	221	157	e51	138	170	127	1740	115	7.6	4.9
14	22	79	212	149	e51	134	159	311	926	123	7.3	3.8
15	45	70	194	146	e50	124	145	811	457	142	7.3	4.4

16	39	68	187	132	e50	118	138	718	408	105	6.9	6.2
17	32	61	165	132	e52	118	132	430	1260	92	6.1	10
18	31	557	152	139	e58	113	123	324	911	81	5.9	4.7
19	28	1630	144	101	e90	103	117	437	415	68	5.7	3.4
20	25	1680	123	e120	e230	97	123	475	309	60	7.1	3.4

21	23	1130	127	e110	e270	92	266	361	265	55	10	2.6
22	23	693	138	e92	156	81	231	291	237	50	8.2	2.6
23	23	513	429	e103	110	80	174	287	200	45	5.6	2.4
24	22	911	684	e92	107	82	148	243	177	40	5.9	1.8
25	23	959	461	e98	96	84	146	695	171	35	24	2.8

26	35	646	338	e94	85	921	139	1280	171	32	99	2.1
27	40	483	280	e87	79	2560	126	932	147	31	69	1.2
28	40	407	261	e83	73	1590	116	467	133	29	35	1.2
29	39	345	333	e78	71	1290	111	322	122	25	49	1.9
30	32	307	356	e74	---	1190	102	369	113	26	76	2.3

31	29	---	291	e70	---	1400	---	2350	---	30	52	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 2004, BY WATER YEAR (WY)
MEAN	67.5	170	177	153	255	364	352	404	294	171	78.7	45.5
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 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1979 - 2004
ANNUAL TOTAL	55992.2		85508.8
ANNUAL MEAN	153		234		211
HIGHEST ANNUAL MEAN					499	1993
LOWEST ANNUAL MEAN					32.4	2000
HIGHEST DAILY MEAN	2450	Jul 11	2770	Jun 1	9250	Apr 12 1994
LOWEST DAILY MEAN	5.3	Aug 28	1.2	Sep 27,28	0.00	A
ANNUAL SEVEN-DAY MINIMUM	8.8	Aug 22	1.9	Sep 24	0.00	A
MAXIMUM PEAK FLOW			3290	May 31	13000	Apr 12 1994
MAXIMUM PEAK STAGE			15.36	May 31	21.58	Apr 12 1994
INSTANTANEOUS LOW FLOW			0.83	Sep 29
ANNUAL RUNOFF (CFSM)	0.639		0.973		0.877
ANNUAL RUNOFF (INCHES)	8.68		13.25		11.92
10 PERCENT EXCEEDS	355		536		514
50 PERCENT EXCEEDS	62		102		81
90 PERCENT EXCEEDS	14		9.7		4.7

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