USGS CD-ROM: Current Year Discharge

05434500 PECATONICA RIVER AT MARTINTOWN, WI

LOCATION.--Lat 42°30'34", long 89°47'58", in SE ¼ sec.32, T.1 N., R.6 E., Green County, Hydrologic Unit 07090003, on right bank about 400 ft downstream from highway bridge in Martintown, 0.3 mi upstream from Wisconsin-Illinois State line and 8.8 mi downstream from Skinner Creek.

DRAINAGE AREA.--1,034 mi².

PERIOD OF RECORD.--October 1939 to current year.

REVISED RECORDS.--WSP 1308: 1949-50(M). WDR WI-71-1: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 757.83 ft above sea level. Prior to Jan. 6, 1940, nonrecording gage at same site and datum. Auxiliary wire-weight gage 1.2 mi downstream, at same datum.

REMARKS.--Estimated daily discharges: Ice-affected periods, Dec. 27 to Jan. 5, Jan. 10 to Feb. 11, and Mar. 12-17. Records good except those for periods of discharge above 2,000 ft³/s, which are fair, and ice-affected periods, which are poor. Diurnal fluctuation at low flow caused by powerplant in Argyle, 28.2 mi upstream. Gage-height telemeter at station.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	445	481	491	390	450	1280	2160	1380	1110	2110	789	748
2	438	487	511	390	460	1200	2490	1360	1140	2120	775	729
3	432	485	483	400	490	1060	3140	1370	1070	1880	763	716
4	433	484	479	480	480	977	3670	1380	1010	1630	768	715
5	429	480	484	580	470	921	3530	1390	970	1580	889	714

6	423	482	468	684	450	871	3010	1320	947	1690	1210	701
7	419	498	455	724	450	830	2490	1290	928	1690	1320	688
8	413	501	443	691	450	827	2160	1400	910	1580	1170	679
9	418	493	443	626	460	841	2090	1500	917	1420	1070	674
10	421	481	444	440	470	791	2060	1540	936	1300	951	656

11	429	472	454	420	480	702	2010	1420	993	1220	882	638
12	432	466	445	450	600	640	1910	1310	1180	1150	847	636
13	446	461	438	430	681	620	1760	1280	1380	1100	817	632
14	475	455	413	420	680	600	1720	1230	1350	1070	793	724
15	497	454	375	400	642	600	1670	1180	1170	1040	786	1200

16	481	447	440	390	630	620	1810	1140	1080	1010	789	1480
17	450	447	445	400	663	640	1930	1140	1080	980	798	1390
18	439	441	437	400	720	769	2020	1120	1090	953	799	1070
19	435	432	436	410	736	954	2060	1070	1640	957	806	896
20	434	444	438	420	701	1100	1980	1040	1820	962	789	821

21	432	448	430	420	664	1110	1910	1010	1950	1020	770	783
22	427	446	419	420	638	1070	1850	994	2040	1060	754	760
23	427	439	417	430	620	1040	1780	982	1940	1060	749	735
24	431	410	431	430	627	1010	1700	1110	1640	973	747	719
25	435	425	439	430	636	985	1590	1240	1410	918	787	719

26	442	468	427	430	637	963	1540	1290	1310	883	786	741
27	446	466	400	440	771	956	1570	1180	1290	859	763	730
28	466	445	380	440	1070	948	1570	1080	1670	855	781	708
29	484	442	410	450	---	913	1510	1060	1890	839	843	687
30	480	456	400	450	---	881	1430	1150	1990	821	887	672

31	478	---	390	450	---	1550	---	1130	---	805	815	---

TOTAL	13737	13836	13565	14335	16826	28269	62120	38086	39851	37535	26493	23761
MEAN	443	461	438	462	601	912	2071	1229	1328	1211	855	792
MAX	497	501	511	724	1070	1550	3670	1540	2040	2120	1320	1480
MIN	413	410	375	390	450	600	1430	982	910	805	747	632
CFSM	.43	.45	.42	.45	.58	.88	2.00	1.19	1.28	1.17	.83	.77
IN.	.49	.50	.49	.52	.61	1.02	2.23	1.37	1.43	1.35	.95	.85

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY)
MEAN	527	584	513	586	811	1404	969	794	811	790	579	571
MAX	1226	2429	1492	2049	2512	3155	2943	3200	2075	5190	1752	1920
(WY)	1987	1962	1983	1960	1953	1950	1960	1973	1993	1993	1993	1965
MIN	187	211	162	147	182	259	328	234	233	181	167	166
(WY)	1957	1965	1959	1959	1959	1957	1957	1958	1965	1965	1958	1958

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1940 - 1998
ANNUAL TOTAL	265599		328414
ANNUAL MEAN	728		900		745
HIGHEST ANNUAL MEAN					1720	1993
LOWEST ANNUAL MEAN					292	1964
HIGHEST DAILY MEAN	(a)4900	Feb 23	3670	Apr 4	14600	Jul 1 1969
LOWEST DAILY MEAN	(b)375	Dec 15	(b)375	Dec 15	132	Nov 7 1949
ANNUAL SEVEN-DAY MINIMUM	(a)407	Dec 25	(a)394	Dec 27	(a)140	Jan 18 1959
INSTANTANEOUS PEAK FLOW			3730	Apr 4	15100	Jul 1 1969
INSTANTANEOUS PEAK STAGE			14.54	Apr 4	21.46	Jul 1 1969
INSTANTANEOUS LOW FLOW					(c).00	Dec 14 1939
ANNUAL RUNOFF (CFSM)	.70		.87		.72
ANNUAL RUNOFF (INCHES)	9.56		11.82		9.78
10 PERCENT EXCEEDS	1050		1650		1330
50 PERCENT EXCEEDS	577		763		520
90 PERCENT EXCEEDS	438		430		255

(a) Ice affected
(b) Result of freezeup
(c) Result of regulation