05466000 DATA: Discharge Tables, 1999

Station list Available data
EDWARDS RIVER BASIN

05466000 EDWARDS RIVER NEAR ORION, IL

LOCATION.--Lat 41°16'20", long 90°22'40", 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.--October 1940 to current year. Monthly discharge only for some periods, published in WSP 1308.

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

GAGE.--Water-stage recorder 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.

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

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of August 1924 reached a stage of 20.2 ft, from floodmarks.

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	14	138	100	e63	316	98	80	347	142	105	17	10
2	15	258	98	e84	514	101	75	302	495	83	16	9.8
3	18	336	98	e80	447	100	78	274	211	75	15	9.3
4	19	245	92	e77	346	94	e180	252	320	69	14	9.1
5	643	207	90	e74	266	96	e94	242	476	63	13	8.7

6	280	178	187	e88	248	99	e82	219	301	58	13	8.6
7	130	155	600	e82	235	89	72	199	456	54	14	8.4
8	87	159	314	e77	218	95	77	180	244	51	14	8.1
9	69	177	241	e73	210	101	155	168	250	50	13	7.9
10	59	2510	202	e69	190	102	109	162	237	47	12	7.7

11	53	921	179	e66	264	89	102	155	212	45	12	7.5
12	47	477	165	e64	264	88	86	174	172	43	38	7.8
13	45	396	150	e61	185	90	84	1330	3440	41	31	7.8
14	43	340	134	e59	169	92	83	596	1760	39	17	7.7
15	49	279	127	e58	166	101	114	411	575	37	14	7.6

16	44	255	122	e57	154	156	841	337	373	35	13	7.3
17	1560	217	115	e56	141	329	517	319	298	33	12	7.4
18	3760	203	115	e56	132	233	358	271	243	32	13	7.5
19	1210	186	102	e56	126	170	292	224	211	31	14	7.6
20	567	165	96	e56	119	151	251	203	187	32	13	7.7

21	384	151	e88	e150	112	139	231	274	170	28	12	8.0
22	295	149	e80	e400	110	125	286	422	156	25	12	7.6
23	250	140	e85	e900	113	119	1410	270	144	26	36	7.7
24	215	125	e94	e600	109	110	565	218	139	25	65	7.9
25	189	128	e100	e430	105	101	408	189	121	22	20	8.2

26	169	116	e103	e350	101	97	340	168	112	20	16	8.8
27	180	110	e104	538	119	94	369	152	105	20	14	17
28	220	108	e101	623	110	92	831	142	99	36	13	193
29	179	109	e96	395	---	86	572	130	89	22	11	66
30	163	116	e47	308	---	81	414	121	84	19	11	26

31	140	---	e52	293	---	82	---	118	---	18	10	---

TOTAL	11096	9054	4277	6343	5589	3600	9156	8569	11822	1284	538	513.7
MEAN	358	302	138	205	200	116	305	276	394	41.4	17.4	17.1
MAX	3760	2510	600	900	514	329	1410	1330	3440	105	65	193
MIN	14	108	47	56	101	81	72	118	84	18	10	7.3
CFSM	2.31	1.95	.89	1.32	1.29	.75	1.97	1.78	2.54	.27	.11	.11
IN.	2.66	2.17	1.03	1.52	1.34	.86	2.20	2.06	2.84	.31	.13	.12

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY)
MEAN	54.9	67.2	72.7	91.0	151	180	202	175	163	108	55.9	48.8
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 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1941 - 1999
ANNUAL TOTAL	85714		71841.7
ANNUAL MEAN	235		197		114
HIGHEST ANNUAL MEAN					334	1993
LOWEST ANNUAL MEAN					22.0	1977
HIGHEST DAILY MEAN	3760	Oct 18	3760	Oct 18	7630	Feb 19 1951
LOWEST DAILY MEAN	11	Sep 12-13	7.3	Sep 16	.40	Oct 6 1956
ANNUAL SEVEN-DAY MINIMUM	12	Sep 7	7.5	Sep 14	.40	Jan 20 1977
INSTANTANEOUS PEAK FLOW			4750	Jun 13	8910 A	Feb 19 1951
INSTANTANEOUS PEAK STAGE			14.41	Jun 13	15.52	Jun 23 1974
INSTANTANEOUS LOW FLOW			7.1	Sep 14,16-18,22	.30	Oct 6 1956
ANNUAL RUNOFF (CFSM)	1.52		1.27		.73
ANNUAL RUNOFF (INCHES)	20.57		17.24		9.97
10 PERCENT EXCEEDS	490		395		234
50 PERCENT EXCEEDS	168		109		49
90 PERCENT EXCEEDS	21		13		5.8

A - Gage height, 13.41 ft.