05570910 DATA: Discharge Tables, 2002

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 1994-2002.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1979-91.

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 fair except those for estimated daily discharges, which are poor.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	2.4	123	323	e85	1510	244	404	759	226	113	38	42
2	2.0	119	213	e82	1290	317	351	588	210	99	28	37
3	2.4	106	156	e83	915	827	295	478	200	88	23	32
4	5.3	93	127	e86	627	774	245	397	186	80	20	29
5	9.3	88	110	93	429	529	225	348	232	70	17	24

6	17	83	102	89	336	486	212	327	420	62	15	22
7	12	80	92	79	281	733	203	312	335	56	13	20
8	9.5	79	84	70	233	805	229	281	265	51	12	19
9	7.4	73	78	87	205	983	429	553	232	49	11	17
10	7.0	67	70	77	202	1210	415	879	225	52	10	15

11	11	66	67	65	215	889	354	720	243	44	9.4	14
12	22	61	65	58	232	616	315	2100	404	39	8.7	13
13	49	57	70	59	199	511	275	3620	608	36	8.4	12
14	171	57	83	59	169	446	253	2100	1010	33	11	12
15	225	57	168	57	167	394	243	1320	879	29	17	12

16	140	55	177	51	154	329	215	971	587	26	14	13
17	187	53	340	49	136	294	196	810	427	23	12	12
18	133	49	589	57	118	275	181	824	344	22	13	14
19	98	49	440	57	299	243	179	798	286	27	52	17
20	76	50	302	52	1130	240	166	635	246	27	286	18

21	63	47	227	52	1270	215	217	513	217	20	96	19
22	66	47	195	51	950	185	411	456	199	17	50	14
23	160	46	217	48	659	186	336	418	186	22	577	12
24	201	45	207	49	496	180	281	395	171	40	1610	10
25	880	48	e165	47	406	173	271	358	159	31	881	9.4

26	887	48	e180	44	358	161	235	319	222	20	320	8.8
27	400	41	e145	44	315	162	350	292	268	18	187	8.3
28	249	40	e120	44	276	294	1370	284	214	19	120	8.0
29	191	41	e105	45	---	421	1470	283	145	39	83	8.2
30	151	132	e97	53	---	590	1080	261	125	60	63	7.8

31	129	---	e90	709	---	521	---	244	---	52	51	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 2002, BY WATER YEAR (WY)
MEAN	71.76	167.8	180.3	157.4	272.0	374.4	362.5	410.4	284.8	165.7	82.18	45.66
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 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1979 - 2002
ANNUAL TOTAL	64909.8		92398.3
ANNUAL MEAN	177.8		253.1		214.1
HIGHEST ANNUAL MEAN					499	1993
LOWEST ANNUAL MEAN					32.4	2000
HIGHEST DAILY MEAN	3360	Feb 25	3620	May 13	9250	Apr 12 1994
LOWEST DAILY MEAN	1.6	Sep 17	2.0	Oct 2	0.00	A
ANNUAL SEVEN-DAY MINIMUM	2.4	Sep 13	7.2	Oct 1	0.00	Sep 13 1988
MAXIMUM PEAK FLOW			4040	May 13	13000	Apr 12 1994
MAXIMUM PEAK STAGE			16.12	May 13	21.58	Apr 12 1994
INSTANTANEOUS LOW FLOW			1.8	Oct 2
ANNUAL RUNOFF (CFSM)	0.74		1.05		0.89
ANNUAL RUNOFF (INCHES)	10.06		14.32		12.12
10 PERCENT EXCEEDS	400		630		523
50 PERCENT EXCEEDS	88		136		83
90 PERCENT EXCEEDS	5.9		14		4.4

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