USGS CD-ROM: Current Year Discharge

03339000 VERMILION RIVER NEAR DANVILLE, IL

LOCATION.--Lat 40°06'03", long 87°35'52", in NW¼NW¼ sec.22, T.19 N., R.11 W., Vermilion County, Hydrologic Unit 05120109, on right bank at Danville sewage-treatment plant, 1.7 mi upstream from Stony Creek, 2.2 mi southeast of Danville, and at mile 19.5.

DRAINAGE AREA.--1,290 mi².

PERIOD OF RECORD.--October 1914 to September 1921, June 1928 to current year. Monthly discharge only for some periods, published in WSP 1305.

REVISED RECORDS.--WSP 853: 1936(M). WSP 973: 1939. WSP 1305: 1915-16, 1920, 1929. WSP 1335: 1934(m). WSP 1909: 1960. WDR IL-75-1: Drainage area. WDR IL-84-1: 1983. WDR IL-92-1: 1991.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 503.33 ft above sea level (levels by U.S. Army Corps of Engineers). Prior to Jan. 9, 1935, nonrecording gage at same site and datum. Jan. 9, 1935 to Aug. 30, 1982, at site 0.3 mi downstream at same datum.

REMARKS.--Records good except those for Mar. 18-23, 28-30, May 3-6, 8-10, and Aug. 8-26 and those for estimated daily discharges, which are poor. Flow regulated at times by storage at Lake Vermilion on North Fork Vermilion River, 4.5 mi upstream from station, usable capacity, 7,440 acre-ft, and by Danville sewage-treatment plant. U.S. Army Corps of Engineers satellite 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	57	93	308	304	635	790	4060	4800	1270	2460	392	117
2	60	85	356	285	617	731	3720	4110	1080	1490	380	111
3	67	101	283	259	597	694	2890	7890	1010	1240	383	105
4	60	105	230	265	557	704	2920	12900	941	2530	6320	102
5	56	86	204	285	541	648	2690	10700	911	3270	4210	99

6	57	92	181	726	518	575	2200	7420	819	3300	3830	96
7	53	83	163	1540	483	537	1950	5060	718	6780	4060	90
8	51	122	147	1720	460	610	2910	7540	745	5730	4970	82
9	60	133	144	3160	434	2570	3380	8720	1100	3720	3550	74
10	61	116	181	3160	420	4670	3080	7860	2000	2290	2790	105

11	58	107	246	e2100	444	3310	2230	4530	6140	1730	1810	81
12	80	99	311	1430	553	2230	1940	2880	12700	1430	1330	77
13	67	95	261	1150	765	1830	1660	2420	11900	1170	1020	73
14	59	97	229	986	712	1740	1780	2230	11200	1020	744	79
15	65	100	212	883	609	1720	2270	1740	14800	e910	613	86

16	93	99	196	846	563	1690	1860	1500	20400	e810	564	90
17	62	95	192	732	622	3010	1620	1340	17600	e720	591	85
18	70	98	178	656	1100	8770	1400	1230	e11500	e630	538	88
19	72	93	165	573	1720	8750	1260	1310	9840	e560	460	86
20	67	87	161	542	1480	9280	1180	5710	6680	e511	392	137

21	58	92	157	522	1290	11100	1180	3200	e4500	518	317	205
22	57	95	167	523	1120	9010	1290	2040	3150	760	254	146
23	56	93	165	534	1000	6320	1210	3050	3180	2340	227	138
24	62	92	270	492	947	4330	1050	4630	3440	1870	186	104
25	58	91	309	463	879	3190	991	4870	2380	1040	168	98

26	73	84	695	431	810	2590	968	3330	1900	716	160	97
27	88	77	582	421	825	2110	906	2200	1590	625	151	107
28	112	120	453	460	838	6990	804	1740	1390	551	144	88
29	131	118	383	581	---	10900	1000	1470	1540	508	143	77
30	102	201	351	690	---	7370	3600	1660	2270	471	150	78

31	86	---	319	688	---	4270	---	1530	---	416	132	---

TOTAL	2158	3049	8199	27407	21539	123039	59999	131610	158694	52116	40979	3001
MEAN	69.6	102	264	884	769	3969	2000	4245	5290	1681	1322	100
MAX	131	201	695	3160	1720	11100	4060	12900	20400	6780	6320	205
MIN	51	77	144	259	420	537	804	1230	718	416	132	73
CFSM	.05	.08	.21	.69	.60	3.08	1.55	3.29	4.10	1.30	1.02	.08
IN.	.06	.09	.24	.79	.62	3.55	1.73	3.80	4.58	1.50	1.18	.09

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 1998, BY WATER YEAR (WY)
MEAN	333	590	884	1142	1412	1728	1878	1694	1225	770	416	260
MAX	3346	5743	3593	6930	4818	5383	6846	7615	5290	4008	3049	2807
(WY)	1978	1986	1991	1950	1982	1979	1994	1943	1998	1993	1979	1993
MIN	12.8	22.8	27.3	27.8	39.6	59.6	190	83.7	43.3	26.6	17.9	14.4
(WY)	1921	1921	1915	1977	1931	1931	1915	1934	1934	1934	1930	1920

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1915 - 1998
ANNUAL TOTAL	364898		631790
ANNUAL MEAN	1000		1731		1025
HIGHEST ANNUAL MEAN					2694	1993
LOWEST ANNUAL MEAN					139	1954
HIGHEST DAILY MEAN	12500	Feb 27, 28	20400	Jun 16	45100	Apr 13 1994
LOWEST DAILY MEAN	51	Oct 8	51	Oct 8	2.0	A
ANNUAL SEVEN-DAY MINIMUM	57	Oct 5	57	Oct 5	2.1	Oct 8 1920
INSTANTANEOUS PEAK FLOW			24600	Jun 16	48700 B	Mar 13 1939
INSTANTANEOUS PEAK STAGE			23.82 C	Jun 16	31.56 D	Apr 13 1994
INSTANTANEOUS LOW FLOW			47	Oct 9
ANNUAL RUNOFF (CFSM)	.77		1.34		.79
ANNUAL RUNOFF (INCHES)	10.52		18.22		10.80
10 PERCENT EXCEEDS	2540		4570		2480
50 PERCENT EXCEEDS	501		630		400
90 PERCENT EXCEEDS	84		85		52

A - Oct. 9-14, 1920; Aug. 10, 1930.
B - Gage height, 28.59 ft.
C - From flood mark.
D - Discharge, 47,900 ft³/s.