03346000 DATA: Discharge Tables, 1999

Station list Available data
WABASH RIVER BASIN

03346000 NORTH FORK EMBARRAS RIVER NEAR OBLONG, IL

LOCATION.--Lat 39°00'37", long 87°56'47", in NW1/4NW1/4 sec.35, T.7 N., R.14 W., Crawford County, Hydrologic Unit 05120112, on left bank at downstream side of bridge on State Highway 33, 0.8 mi upstream from railroad bridge, 2 mi west of Oblong, and at mile 10.5.

DRAINAGE AREA.--318 mi².

PERIOD OF RECORD.--October 1940 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 456.19 ft above sea level. Prior to Dec. 11, 1940, nonrecording gage and Dec. 11, 1940, to Sept. 30, 1964, water-stage recorder at same site at datum 2.00 ft higher. Oct. 8, 1971 to May 15, 1979, water-stage recorder at site 0.8 mi downstream at present datum.

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 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	5.4	15	33	e17	2870	746	81	246	68	e125	15	2.6
2	5.2	30	37	e20	2010	327	83	182	1160	95	13	2.6
3	4.8	375	35	e18	764	250	124	151	4720	72	11	2.5
4	4.9	449	31	e17	420	216	722	133	4150	60	10	2.4
5	20	169	29	e16	303	182	556	388	2040	51	9.3	2.3

6	255	90	30	e15	247	723	823	775	2370	52	8.7	2.2
7	475	52	72	e14	5330	838	602	570	444	306	8.2	2.1
8	476	38	121	e13	8950	315	251	253	262	113	8.3	1.8
9	123	29	96	e13	3870	458	1280	163	546	59	7.8	1.7
10	49	299	63	e12	667	877	816	129	359	51	7.3	1.5

11	26	1440	45	e12	364	646	480	111	195	101	7.0	1.5
12	17	479	36	e13	1360	390	368	98	154	54	7.1	1.4
13	14	190	31	e40	1060	278	167	92	205	39	10	1.4
14	11	126	29	e170	356	223	140	400	758	32	18	1.7
15	10	95	28	e250	277	190	161	228	269	28	15	1.1

16	9.4	75	26	e180	243	166	289	147	146	25	13	1.0
17	9.1	62	24	e300	232	154	520	119	111	23	9.1	1.1
18	11	52	24	e2000	213	143	590	104	95	21	7.2	1.0
19	13	45	23	3930	187	130	330	92	82	20	6.3	.99
20	13	42	23	2850	168	119	243	80	73	19	5.7	1.0

21	14	42	29	1790	151	115	207	89	67	17	5.1	.93
22	12	37	54	12700	138	111	278	174	62	16	4.9	.84
23	9.5	34	82	11500	131	107	205	213	57	16	4.6	.77
24	9.5	32	e50	4540	131	106	155	124	527	171	4.7	.82
25	8.9	33	e30	1260	129	101	130	102	606	57	4.5	.77

26	8.7	45	e23	447	124	95	143	80	740	25	4.0	.78
27	8.5	68	e21	346	169	89	311	68	1150	17	3.9	.71
28	8.6	51	e20	308	848	86	1320	61	256	60	3.6	.73
29	9.4	43	e18	260	---	84	1490	55	178	58	3.3	.76
30	12	37	e17	226	---	82	517	50	153	26	2.9	.67

31	16	---	e16	874	---	79	---	47	---	18	2.7	---

TOTAL	1668.9	4574	1196	44151	31712	8426	13382	5524	22003	1827	241.2	41.67
MEAN	53.8	152	38.6	1424	1133	272	446	178	733	58.9	7.78	1.39
MAX	476	1440	121	12700	8950	877	1490	775	4720	306	18	2.6
MIN	4.8	15	16	12	124	79	81	47	57	16	2.7	.67
CFSM	.17	.48	.12	4.48	3.56	.85	1.40	.56	2.31	.19	.02	.00
IN.	.20	.54	.14	5.16	3.71	.99	1.57	.65	2.57	.21	.03	.00

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY)
MEAN	45.2	196	299	393	446	504	484	381	238	127	83.2	71.0
MAX	565	1757	1755	2798	1777	1469	1521	2825	1346	1010	471	900
(WY)	1950	1986	1968	1950	1982	1973	1984	1943	1945	1958	1985	1989
MIN	.013	.13	.56	.92	4.82	2.37	10.4	19.0	4.07	.46	.26	.10
(WY)	1954	1954	1954	1977	1954	1954	1954	1941	1954	1954	1954	1954

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1941 - 1999
ANNUAL TOTAL	120788.8		134746.77
ANNUAL MEAN	331		369		271
HIGHEST ANNUAL MEAN					644	1950
LOWEST ANNUAL MEAN					3.88	1954
HIGHEST DAILY MEAN	7940	May 4	12700	Jan 22	20300	Jan 4 1950
LOWEST DAILY MEAN	4.8	Oct 3	.67	Sep 30	.00	A
ANNUAL SEVEN-DAY MINIMUM	5.5	Sep 28	.75	Sep 24	.00	Sep 13 1953
INSTANTANEOUS PEAK FLOW			18500	Jan 22	27100 B	Jan 4 1950
INSTANTANEOUS PEAK STAGE			22.28	Jan 22	24.38 C	Jan 4 1950
INSTANTANEOUS LOW FLOW			.58	Sep 30
ANNUAL RUNOFF (CFSM)	1.04		1.16		.85
ANNUAL RUNOFF (INCHES)	14.13		15.76		11.59
10 PERCENT EXCEEDS	929		730		602
50 PERCENT EXCEEDS	81		73		46
90 PERCENT EXCEEDS	10		4.3		2.7

A - Many days in 1953-54, 1964, 1988.
B - From rating curve extended above 16,000 ft³/s.
C - Present datum.