05414820 DATA: Discharge Tables, 2002

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 1994-2002.

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, which are fair, those for June 21-September 30, and those for estimated daily discharges, which are poor.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	20	23	21	16	17	19	19	23	19	23	24	23
2	20	22	20	17	15	20	20	24	19	24	23	34
3	20	21	20	17	16	16	19	21	89	25	23	27
4	20	20	20	17	14	21	18	20	1330	25	26	24
5	20	20	21	19	16	20	17	20	101	24	28	23

6	19	20	22	18	16	19	17	21	61	61	27	23
7	19	20	20	17	16	18	23	21	47	30	24	23
8	19	20	20	18	17	27	34	20	40	25	24	23
9	20	19	19	18	17	56	43	20	36	24	24	22
10	22	19	19	18	51	28	29	19	42	25	25	22

11	21	19	19	17	25	26	27	24	52	24	25	22
12	20	19	20	17	21	25	27	39	36	24	26	22
13	21	23	28	17	19	25	25	25	53	22	27	22
14	21	22	22	e16	19	24	25	24	39	22	26	22
15	19	20	20	e16	19	23	23	22	31	21	26	22

16	19	20	21	17	19	21	22	22	28	22	26	21
17	19	19	20	16	18	21	21	21	28	22	26	21
18	19	20	20	15	18	21	22	20	27	23	26	22
19	19	20	20	17	25	21	24	20	27	26	26	36
20	19	19	19	17	30	24	21	20	26	24	26	27

21	19	19	19	17	26	21	24	18	25	25	e30	23
22	83	19	20	16	22	19	25	17	24	36	e1100	21
23	99	19	21	17	22	21	23	18	23	26	e60	20
24	34	23	18	16	22	20	24	18	23	24	38	19
25	29	23	18	16	22	19	23	23	22	24	28	19

26	26	20	18	16	21	20	21	20	31	24	26	19
27	25	23	19	16	20	19	23	18	25	28	25	20
28	24	20	19	16	20	20	26	18	23	27	25	19
29	23	20	16	16	---	19	23	23	23	26	24	23
30	22	22	16	16	---	18	22	22	22	25	24	20

31	22	---	16	17	---	18	---	22	---	24	24	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2002, BY WATER YEAR (WY)
MEAN	21.37	20.02	21.01	23.08	36.41	40.04	26.19	29.76	36.25	27.26	24.83	25.59
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 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1968 - 2002
ANNUAL TOTAL	9762.3		10963
ANNUAL MEAN	26.75		30.04		27.59
HIGHEST ANNUAL MEAN					57.5	1973
LOWEST ANNUAL MEAN					12.3	1990
HIGHEST DAILY MEAN	240	Feb 9	1330	Jun 4	2170	May 17 1999
LOWEST DAILY MEAN	8.5 A	Jan 21-24	14	Feb 4	4.8	Jan 25 1991
ANNUAL SEVEN-DAY MINIMUM	8.5 A	Jan 20	16	Feb 1	5.0	Feb 22 1968
MAXIMUM PEAK FLOW			7630	Jun 4	17000 B	May 17 1999
MAXIMUM PEAK STAGE			12.01	Jun 4	14.37	May 17 1999
INSTANTANEOUS LOW FLOW			4.9	Mar 10	0.00 C	Dec 25 1988
ANNUAL RUNOFF (CFSM)	0.68		0.76		0.70
ANNUAL RUNOFF (INCHES)	9.17		10.30		9.47
10 PERCENT EXCEEDS	37		28		39
50 PERCENT EXCEEDS	22		21		18
90 PERCENT EXCEEDS	16		17		9.6

	A - Estimated due to backwater from ice.
	B - On basis of contracted opening and flow-over-road measurement of peak flow.
	C - Result of freezeup.