05466500 DATA: Discharge Tables, 1999

Station list Available data
EDWARDS RIVER BASIN

05466500 EDWARDS RIVER NEAR NEW BOSTON, IL

LOCATION.--Lat 41°11'15", long 90°58'05", at quarter corner between secs.21 and 28, T.14 N., R.5 W., Mercer County, Hydrologic Unit 07080104, on left bank at downstream side of bridge on State Highway 17, 1.5 mi northeast of New Boston, and at mile 4.6.

DRAINAGE AREA.--445 mi².

PERIOD OF RECORD.--October 1934 to current year. Monthly discharge only for some periods, published in WSP 1308.

REVISED RECORDS.--WSP 1508: 1935-36(M), 1938-40(M), 1941, 1943. WDR IL-75-1: Drainage area.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 529.92 ft above sea level (levels by U.S. Army Corps of Engineers). Prior to Mar. 1, 1941, nonrecording gage at same site and datum.

REMARKS.--Records good except those for estimated daily discharges, which are poor. U.S. Army Corps of Engineers satellite 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	63	556	410	e240	856	345	278	1110	423	1010	83	51
2	66	636	378	e300	1000	331	274	963	695	549	77	49
3	75	1090	368	e290	1350	336	282	868	772	413	73	47
4	82	980	359	e280	1160	323	936	798	594	361	70	45
5	277	753	346	e270	926	315	473	739	819	325	67	43

6	1370	655	e340	e320	786	329	429	687	1110	307	64	41
7	796	586	e760	e300	734	315	409	638	1460	282	72	40
8	433	556	e1300	e280	693	302	362	588	1080	262	77	38
9	321	586	836	e260	660	291	765	546	1200	250	71	36
10	266	1960	685	e250	615	331	709	513	796	235	64	35

11	233	2730	595	e240	611	327	507	490	832	220	58	34
12	207	3110	542	e230	899	303	436	515	892	207	138	35
13	187	3450	502	e220	735	306	391	968	1140	198	186	34
14	174	2410	465	e215	593	308	371	1750	1890	188	143	34
15	172	1470	432	e215	562	319	378	1710	2360	177	92	34

16	174	1110	414	e210	535	364	1390	1120	2710	166	72	33
17	1130	957	397	e210	496	536	1870	938	1600	156	63	32
18	4740	840	387	e210	459	697	1550	897	913	150	62	32
19	4120	763	368	e210	435	542	1080	769	751	146	65	37
20	4830	684	341	e205	412	450	900	679	663	152	63	87

21	5250	621	323	e200	384	415	804	637	585	147	60	37
22	3730	583	e270	e500	363	388	742	771	538	132	56	33
23	2200	554	e290	e1400	362	361	1540	858	510	119	54	31
24	1280	514	e310	e1600	359	346	2130	685	493	110	317	30
25	970	495	e330	e1800	349	328	2400	603	444	113	245	29

26	799	477	e345	1350	344	312	1940	544	405	104	116	29
27	726	440	e350	1010	359	305	1260	501	436	98	83	36
28	898	418	e320	1730	375	305	1260	468	612	135	70	731
29	819	409	e280	1860	---	303	1600	440	401	149	63	810
30	689	414	e170	1210	---	290	1480	414	358	114	58	331

31	613	---	e190	924	---	279	---	397	---	91	53	---

TOTAL	37690	30807	13403	18539	17412	11002	28946	23604	27482	7066	2835	2914
MEAN	1216	1027	432	598	622	355	965	761	916	228	91.5	97.1
MAX	5250	3450	1300	1860	1350	697	2400	1750	2710	1010	317	810
MIN	63	409	170	200	344	279	274	397	358	91	53	29
CFSM	2.73	2.31	.97	1.34	1.40	.80	2.17	1.71	2.06	.51	.21	.22
IN.	3.15	2.58	1.12	1.55	1.46	.92	2.42	1.97	2.30	.59	.24	.24

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 1999, BY WATER YEAR (WY)
MEAN	143	174	179	250	358	500	546	472	423	302	164	128
MAX	1216	1192	1469	1133	1280	1791	2307	1762	1829	2258	1508	1006
(WY)	1999	1978	1983	1969	1985	1993	1973	1996	1974	1982	1993	1970
MIN	5.47	11.2	8.86	6.39	11.9	66.0	33.4	33.0	35.8	11.7	10.3	7.29
(WY)	1989	1938	1964	1977	1989	1956	1956	1989	1977	1936	1988	1988

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1935 - 1999
ANNUAL TOTAL	250736		221700
ANNUAL MEAN	687		607		303
HIGHEST ANNUAL MEAN					965	1993
LOWEST ANNUAL MEAN					76.6	1940
HIGHEST DAILY MEAN	5250	Oct 21	5250	Oct 21	14000	Apr 22 1973
LOWEST DAILY MEAN	43	Sep 13	29	Sep 25, 26	1.3	Oct 19 1988
ANNUAL SEVEN-DAY MINIMUM	47	Sep 7	32	Sep 21	2.4	Oct 18 1988
INSTANTANEOUS PEAK FLOW			5560	Oct 21	18000	Apr 22 1973
INSTANTANEOUS PEAK STAGE			22.51	Oct 21	23.33	Apr 22 1973
INSTANTANEOUS LOW FLOW			28	Sep 25, 26	1.2	A
ANNUAL RUNOFF (CFSM)	1.54		1.36		.68
ANNUAL RUNOFF (INCHES)	20.96		18.53		9.25
10 PERCENT EXCEEDS	1430		1320		700
50 PERCENT EXCEEDS	480		397		131
90 PERCENT EXCEEDS	84		63		20

A - Oct. 19-20, 1998