05414820 DATA: Discharge Tables, 2004

Station list Available data
SINSINAWA RIVER BASIN


LOCATION.-- Lat 42°28'44", long 90°29'10" (NAD of 1927), in SE1/4SE1/4 sec.28, T.29 N., R.1 W., Jo Daviess County, Hydrologic Unit 07060005, on left bank at downstream side of bridge on High Ridge Road, 2.4 mi east of Menominee, 4.5 mi northwest of Galena, and at mile 7.0.

DRAINAGE AREA.-- 39.6 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1967 to current year.
	STAGE: Water years 1994 to current year.

REVISED RECORDS.-- WDR IL-74-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 640.75 ft above NGVD of 1929.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge 17,000 ft³/s, May 17, 1999, gage height, 14.37 ft, on basis of contracted-opening and flow-over-road measurement of peak flow; no flow for part of Dec. 25, 1988, result of freezeup.

REMARKS FOR CURRENT YEAR.-- Records good except those above 300 ft³/s, those for Feb. 23 to May 18 which are fair, and those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	11	10	15	e12	13	24	21	24	47	24	22	20
2	11	22	15	e12	13	24	21	23	39	24	23	20
3	11	56	15	e12	13	20	19	21	33	27	23	19
4	11	113	15	e12	12	23	18	21	31	27	26	19
5	11	26	16	e12	13	178	18	21	30	24	22	19

6	10	20	15	12	14	31	18	21	30	29	21	19
7	10	18	15	e11	13	24	19	22	28	28	22	19
8	10	16	15	e11	13	23	19	28	27	24	21	18
9	10	15	16	e11	13	21	19	21	26	25	21	18
10	11	15	31	e11	13	19	18	25	35	24	21	18

11	11	16	22	e11	13	19	19	21	42	33	21	18
12	11	15	19	e11	12	17	18	17	98	33	21	18
13	11	15	e18	e11	12	17	17	18	33	25	20	18
14	14	15	e17	e12	12	19	18	14	31	23	20	18
15	12	15	e16	e12	12	17	18	14	28	22	20	23

16	11	15	e16	e11	12	17	18	16	69	22	20	22
17	11	14	e15	e10	12	18	19	17	86	22	21	19
18	11	16	e15	e10	12	18	17	18	35	21	21	18
19	11	15	e14	e10	13	16	20	15	31	21	21	18
20	11	14	e14	e9.8	77	16	22	15	29	21	20	18

21	11	14	e14	e9.5	82	16	26	17	32	23	20	18
22	10	14	e13	9.4	72	15	23	97	30	23	20	18
23	11	55	e13	13	314	16	23	811	28	21	20	18
24	11	25	e13	13	88	24	23	66	29	20	21	18
25	13	20	e12	12	35	21	23	50	28	20	21	18

26	11	19	e12	12	32	41	22	38	26	20	21	18
27	11	18	e12	13	26	31	20	34	26	20	23	18
28	11	17	e12	12	23	29	21	29	27	19	23	18
29	11	16	e12	12	23	25	20	35	25	21	23	18
30	11	16	e12	11	---	23	22	134	25	27	21	18

31	11	---	e12	12	---	21	---	80	---	23	20	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2004, BY WATER YEAR (WY)
MEAN	21.5	20.1	20.9	22.6	35.8	39.1	25.7	30.4	35.7	27.0	24.4	25.1
MAX	99.7	49.3	76.0	88.3	116	151	101	139	102	136	100	122
(WY)	1987	1994	1973	1974	1997	1975	1973	1999	1993	1993	1972	1986
MIN	8.03	8.05	5.92	7.10	8.55	7.83	7.41	8.81	8.18	9.05	9.30	8.88
(WY)	1991	1990	1990	1991	1990	1968	1990	1977	1977	1989	1971	1990

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1968 - 2004
ANNUAL TOTAL	6170		9096.7
ANNUAL MEAN	16.9		24.9		27.3
HIGHEST ANNUAL MEAN					57.5	1973
LOWEST ANNUAL MEAN					12.3	1990
HIGHEST DAILY MEAN	113	Nov 4	811	May 23	2170	May 17 1999
LOWEST DAILY MEAN	10	A	9.4	Jan 22	4.8	Jan 25 1991
ANNUAL SEVEN-DAY MINIMUM	10	Oct 3	10 B	Jan 16	5.0	Feb 22 1968
MAXIMUM PEAK FLOW			3640	May 23	17000 C	May 17 1999
MAXIMUM PEAK STAGE			10.34	May 23	14.37	May 17 1999
INSTANTANEOUS LOW FLOW			6.1 D	Jan 19	0.00 E	Dec 25 1988
ANNUAL RUNOFF (CFSM)	0.427		0.628		0.689
ANNUAL RUNOFF (INCHES)	5.80		8.55		9.36
10 PERCENT EXCEEDS	22		31		39
50 PERCENT EXCEEDS	15		19		18
90 PERCENT EXCEEDS	11		11		9.8

	A - Several days.
	B - Estimated due to backwater from ice.
	C - On basis of contracted-opening and flow-over-road measurement of peak flow.
	D - But may have been less during period of estimated record, Dec. 13 - Jan. 21.
	E - Result of freezeup.