05466000 DATA: Discharge Tables, 2001

Station list Available data
EDWARDS RIVER BASIN

05466000 EDWARDS RIVER NEAR ORION, IL

LOCATION.-- Lat 41°16'19", long 90°22'39", in NE1/4SE1/4 sec.21, T.15 N., R.1 E., Henry County, Hydrologic Unit 07080104, on left bank at downstream side of bridge on U.S. Highway 150, 1.5 mi north of Opheim, 5.5 mi south of Orion, and at mile 51.5.

DRAINAGE AREA.-- 155 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1940 to current year. Monthly discharge only for some periods, published in WSP 1308.

STAGE: Water years 1994-2001.

REVISED RECORDS.-- WSP 1175: 1947(P). WSP 1508: 1942. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter and crest-stage gage. Datum of gage is 653.96 ft above sea level (U.S. Army Corps of Engineers bench mark). Prior to Apr. 4, 1941, and Apr. 8 to Nov. 11, 1981, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,910 ft³/s, Feb. 19, 1951, gage height, 13.41 ft, from floodmarks; maximum gage height, 15.52 ft, June 23, 1974, discharge, 5,760 ft³/s; minimum discharge, 0.3 ft³/s, Oct. 6, 1956.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of August 1924 reached a stage of 20.2 ft, from floodmarks.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	19	22	e19	e15	e200	234	132	166	605	103	20	8.6
2	18	21	e18	e15	e170	209	126	154	397	96	22	8.6
3	18	21	e17	e16	e140	e190	119	142	318	98	22	8.4
4	61	21	e16	e16	e120	e170	112	142	278	144	20	8.1
5	49	21	e15	e16	e110	e160	118	137	3370	104	e19	7.9

6	38	24	e17	e16	e95	150	409	135	3420	92	e18	9.6
7	34	31	e18	e16	e95	144	495	157	1570	88	e17	11
8	31	25	e19	e16	423	138	315	138	808	88	e16	9.0
9	30	34	e18	e16	e3650	125	273	130	559	91	e15	14
10	29	42	e17	e16	e1200	124	234	127	442	77	e14	15

11	28	33	e16	e16	522	134	308	665	357	68	e13	11
12	27	32	e20	e15	369	141	461	412	297	64	e13	8.6
13	26	31	e34	e15	325	156	310	316	267	61	e12	8.2
14	25	30	e30	e17	483	136	270	506	246	58	12	8.0
15	24	e28	e28	e22	447	250	535	374	250	55	12	7.8

16	24	e27	e26	e30	316	548	442	293	223	52	13	7.8
17	24	e25	e24	e46	238	433	339	613	203	50	12	7.8
18	24	e23	e22	e40	e200	451	290	426	192	55	16	8.8
19	23	e21	e20	e36	e180	459	266	324	178	53	16	21
20	23	e20	e18	e32	e170	385	244	283	167	50	13	13

21	23	e19	e17	e30	e160	324	226	372	178	72	11	10
22	23	e20	e17	e28	e150	281	724	294	163	54	11	8.6
23	23	e21	e16	e26	e140	248	453	254	150	43	11	9.9
24	23	e22	e15	e25	e3100	215	316	235	141	38	12	9.2
25	23	e22	e15	e24	e3200	191	282	217	134	34	12	8.6

26	23	e21	e14	e23	646	179	252	407	127	30	11	8.2
27	23	e21	e14	e22	383	166	224	473	121	26	10	8.0
28	22	e20	e14	e21	280	158	198	322	117	25	9.7	7.8
29	22	e20	e15	e21	---	153	183	271	113	24	9.4	7.8
30	22	e19	e15	e260	---	144	174	236	109	23	9.0	7.7

31	22	---	e15	e240	---	139	---	335	---	21	8.7	---

TOTAL	824	737	579	1147	17512	6935	8830	9056	15500	1937	429.8	288.0
MEAN	26.6	24.6	18.7	37.0	625	224	294	292	517	62.5	13.9	9.60
MAX	61	42	34	260	3650	548	724	665	3420	144	22	21
MIN	18	19	14	15	95	124	112	127	109	21	8.7	7.7
CFSM	.17	.16	.12	.24	4.04	1.44	1.90	1.88	3.33	.40	.09	.06
IN.	.20	.18	.14	.28	4.20	1.66	2.12	2.17	3.72	.46	.10	.07

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2001, BY WATER YEAR (WY)
MEAN	53.7	65.6	70.9	88.9	158	179	203	176	169	108	54.8	47.6
MAX	466	486	436	427	871	554	634	558	693	689	466	375
(WY)	1942	1978	1983	1974	1951	1979	1983	1973	1974	1969	1993	1989
MIN	.93	1.87	.84	.50	2.44	13.8	11.3	11.3	9.95	6.91	3.48	2.13
(WY)	1957	1977	1977	1977	1989	1956	1956	1989	1977	1977	1988	1956

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1941 - 2001
ANNUAL TOTAL	29897		63774.8
ANNUAL MEAN	81.7		175		114
HIGHEST ANNUAL MEAN					334	1993
LOWEST ANNUAL MEAN					22.0	1977
HIGHEST DAILY MEAN	1090	Apr 21	3650 A	Feb 9	7630	Feb 19 1951
LOWEST DAILY MEAN	12	Sep 6-11	7.7	Sep 30	.40	Oct 6 1956
ANNUAL SEVEN-DAY MINIMUM	12	Sep 5	8.1	Sep 12	.40	Jan 20 1977
MAXIMUM PEAK FLOW			4670 B	Feb 9	8910 C	Feb 19 1951
MAXIMUM PEAK STAGE			14.71 D	Jun 6	15.52 E	Jun 23 1974
INSTANTANEOUS LOW FLOW			7.1	Sep 6	.30	Oct 6 1956
ANNUAL RUNOFF (CFSM)	.53		1.13		.74
ANNUAL RUNOFF (INCHES)	7.18		15.31		10.01
10 PERCENT EXCEEDS	174		384		236
50 PERCENT EXCEEDS	31		36		49
90 PERCENT EXCEEDS	15		12		6.0

	A- Estimated from graphic reconstruction.
	B- Gage height, 14.33 ft, from floodmark.
	C- Gage height, 13.41 ft, from floodmark.
	D- Discharge, 4,350 ft³/s.
	E- Discharge, 5,760 ft³/s.