05466000 DATA: Discharge Tables, 2000

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 1994-2000.

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; 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 June 27 - July 1, 5 and 6, which are fair, and those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	19	11	e9.5	e24	e14	191	57	154	544	153	41	15
2	17	11	9.3	28	e15	154	58	140	213	140	35	14
3	18	11	9.9	25	e15	141	58	129	161	135	32	14
4	24	11	10	e20	e16	129	57	125	142	252	30	14
5	21	11	29	e17	e16	117	54	117	130	672	30	13

6	18	11	35	e21	e16	106	55	112	112	301	94	12
7	16	11	24	e18	e17	100	54	109	105	225	112	12
8	15	11	21	e21	e17	97	58	107	101	186	43	12
9	14	11	32	e26	e17	95	59	145	91	164	36	12
10	14	11	47	e30	e19	82	59	254	86	167	32	12

11	13	11	35	e27	e21	82	60	198	83	145	29	12
12	13	11	31	e23	e20	80	59	172	90	126	27	17
13	13	11	28	e19	e19	79	56	141	296	113	27	14
14	13	11	27	e23	e20	76	56	126	383	104	26	27
15	13	11	e26	e22	e21	74	54	120	260	93	24	22

16	13	11	e25	e20	e23	69	55	119	173	86	22	15
17	12	11	e22	e17	e25	67	60	114	136	80	21	14
18	12	11	e19	e15	e26	68	56	163	118	75	20	13
19	12	11	e17	e17	e25	76	125	286	107	73	20	13
20	12	11	e18	e20	e24	82	938	143	113	67	19	16

21	13	11	e19	e19	e40	78	1090	124	135	63	18	19
22	12	11	e17	e18	139	71	522	116	109	57	18	19
23	12	11	e16	e17	218	70	380	109	116	53	18	35
24	12	11	e16	e16	176	73	332	98	652	50	18	41
25	12	10	e15	e15	170	70	275	87	785	48	17	37

26	12	10	e15	e15	698	67	235	86	379	46	16	30
27	12	10	e16	e14	390	72	214	103	279	45	16	25
28	11	9.8	e17	e13	264	69	191	94	229	41	19	22
29	11	9.7	e18	e13	214	63	171	86	200	40	19	20
30	11	e9.6	e19	e14	---	59	156	85	171	41	16	20

31	11	---	e21	e14	---	57	---	280	---	40	15	---

TOTAL	431	323.1	663.7	601	2695	2714	5654	4242	6499	3881	910	561
MEAN	13.9	10.8	21.4	19.4	92.9	87.5	188	137	217	125	29.4	18.7
MAX	24	11	47	30	698	191	1090	286	785	672	112	41
MIN	11	9.6	9.3	13	14	57	54	85	83	40	15	12
CFSM	.09	.07	.14	.13	.60	.56	1.22	.88	1.40	.81	.19	.12
IN.	.10	.08	.16	.14	.65	.65	1.36	1.02	1.56	.93	.22	.13

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2000, BY WATER YEAR (WY)
MEAN	54.2	66.3	71.8	89.8	150	178	202	174	164	108	55.5	48.3
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1941 - 2000
ANNUAL TOTAL	48832.5		29174.8
ANNUAL MEAN	134		79.7		113
HIGHEST ANNUAL MEAN					334	1993
LOWEST ANNUAL MEAN					22.0	1977
HIGHEST DAILY MEAN	3440	Jun 13	1090	Apr 21	7630	Feb 19 1951
LOWEST DAILY MEAN	7.3	Sep 16	9.3	Dec 2	.40	Oct 6 1956
ANNUAL SEVEN-DAY MINIMUM	7.5	Sep 14	9.7	Nov 27	.40	Jan 20 1977
INSTANTANEOUS PEAK FLOW			1570	Apr 20	8910 A	Feb 19 1951
INSTANTANEOUS PEAK STAGE			9.03	Apr 20	15.52	Jun 23 1974
INSTANTANEOUS LOW FLOW			8.7 B	Dec 1	.30	Oct 6 1956
ANNUAL RUNOFF (CFSM)	.86		.51		.73
ANNUAL RUNOFF (INCHES)	11.72		7.00		9.92
10 PERCENT EXCEEDS	324		174		232
50 PERCENT EXCEEDS	59		29		49
90 PERCENT EXCEEDS	10		11		6.0

A - Gage height, 13.41 ft, from floodmarks.
B - Result of freezeup.