USGS CD-ROM: Current Year Discharge

03336645 MIDDLE FORK VERMILION RIVER ABOVE OAKWOOD, IL

LOCATION.--Lat 40°08'12", long 87°44'45", in NE¼SW¼ sec.5, T.19 N., R.12 W., Vermilion County, Hydrologic Unit 05120109, on right bank 150 ft upstream from Kickapoo State Park Road bridge, 1.0 mi upstream from Interstate Highway 74 bridge, 2.0 mi northeast of Oakwood, and at mile 31.7.

DRAINAGE AREA.--432 mi².

PERIOD OF RECORD.--October 1978 to current year. Gage-height records for January 1972 to Nov. 8, 1978, available in files of Illinois Office of Water Resources.

GAGE.--Water-stage recorder. Datum of gage is 544.42 ft above sea level (levels by Illinois Office of Water Resources).

REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	13	23	65	63	226	269	1130	1510	275	540	119	e26
2	12	20	57	67	226	248	1020	1480	256	351	113	e24
3	13	19	51	72	214	230	748	3030	246	291	e110	e23
4	12	18	40	72	201	220	645	4290	224	633	e1200	e22
5	12	12	34	97	194	202	562	4300	215	1360	e800	e20

6	11	13	31	528	183	187	497	2630	201	1010	e330	e19
7	11	13	28	774	166	177	451	2070	184	1920	537	e18
8	12	13	22	1020	153	197	979	3540	184	2150	680	e17
9	15	13	24	1810	145	1270	1110	3950	270	1370	251	e16
10	14	13	30	1890	139	1930	707	4250	669	685	432	e16

11	13	12	30	882	144	1250	534	2070	1640	470	e105	e15
12	14	12	29	519	197	784	441	849	3520	374	e80	e15
13	15	11	29	e380	318	584	398	623	3940	321	e65	e14
14	16	13	31	e300	276	512	503	475	2860	280	e55	e14
15	16	14	28	e260	236	521	855	407	4260	247	e50	14

16	15	11	25	e240	217	515	592	368	4970	224	e65	14
17	16	10	26	e210	225	1600	532	324	4610	204	e110	14
18	19	12	25	e190	427	4040	448	290	3430	193	e85	13
19	17	11	24	e180	658	3750	380	433	2870	190	e60	13
20	17	11	26	e170	511	4300	348	3060	2140	181	e50	15

21	15	12	27	160	432	4420	345	1070	1100	172	e43	25
22	15	12	31	157	355	3480	412	629	726	247	e38	12
23	15	12	30	154	307	2790	363	631	893	498	e35	12
24	15	12	35	146	283	1640	315	1430	1090	486	e32	12
25	15	12	57	136	255	1030	294	1120	566	267	e31	12

26	17	12	248	128	234	784	281	657	444	194	e30	12
27	21	12	192	125	237	625	261	484	384	175	e29	12
28	19	19	140	133	260	2870	229	393	344	168	e28	12
29	24	20	113	186	---	3560	284	329	376	151	e27	11
30	27	53	98	237	---	1820	1320	386	493	141	e26	11

31	22	---	80	232	---	1060	---	324	---	130	e28	---

TOTAL	488	450	1706	11518	7419	46865	16984	47402	43380	15623	5644	473
MEAN	15.7	15.0	55.0	372	265	1512	566	1529	1446	504	182	15.8
MAX	27	53	248	1890	658	4420	1320	4300	4970	2150	1200	26
MIN	11	10	22	63	139	177	229	290	184	130	26	11
CFSM	.04	.03	.13	.86	.61	3.50	1.31	3.54	3.35	1.17	.42	.04
IN.	.04	.04	.15	.99	.64	4.04	1.46	4.08	3.74	1.35	.49	.04

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 1998, BY WATER YEAR (WY)
MEAN	141	346	409	356	561	825	722	724	460	306	196	105
MAX	1088	2278	1097	1679	2580	2088	2384	1656	1446	1320	1060	1116
(WY)	1994	1986	1991	1993	1982	1979	1994	1995	1998	1993	1981	1993
MIN	12.4	9.54	28.3	20.2	69.5	83.2	133	92.1	27.0	12.8	12.1	8.82
(WY)	1981	1981	1990	1981	1989	1981	1986	1988	1988	1988	1991	1991

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1979 - 1998
ANNUAL TOTAL	128090		197952
ANNUAL MEAN	351		542		429
HIGHEST ANNUAL MEAN					901	1993
LOWEST ANNUAL MEAN					185	1987
HIGHEST DAILY MEAN	4530	Feb 27	4970	Jun 16	14400	Apr 13 1994
LOWEST DAILY MEAN	10	Nov 17	10	Nov 17	4.5	Nov 20 1980
ANNUAL SEVEN-DAY MINIMUM	11	Nov 16	11	Nov 16	5.1	Nov 16 1980
INSTANTANEOUS PEAK FLOW			5800	Jun 16	15500	Apr 13 1994
INSTANTANEOUS PEAK STAGE			10.03	Jun 16	20.46	Apr 13 1994
INSTANTANEOUS LOW FLOW			9.5	Nov 16
ANNUAL RUNOFF (CFSM)	.81		1.26		.99
ANNUAL RUNOFF (INCHES)	11.03		17.05		13.48
10 PERCENT EXCEEDS	960		1550		1020
50 PERCENT EXCEEDS	148		194		160
90 PERCENT EXCEEDS	15		13		16