Towanda Creek near Monroeton, Bradford County PA (MONP1)
Gage Location: Bradford County, PennsylvaniaSite Location: Bradford County, Pennsylvania
Latitude: 41.707Longitude: -76.485Elevation: 765.53 ft. MSLDrainage Area: 215 Sq. Mi.
Minor Stage: 15.5 ft. Moderate Stage: 17 ft.Major Stage: 18.5 ft.
First Flood: 1915-07-08Last Flood: 2011-09-08 Crest: 20.97 ft.Datum change: 1976-08-26Number of Floods: 37

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1915-07-0818.319900MajorC1 C7 G1
1917-08-0917.315700ModerateC1 C7 G1
1918-03-141510000MinorC1 C7 G1
1919-07-2216.312900ModerateC1 C7 G1
1920-03-1214.69400MinorC1 C7 G1
1924-04-061612200ModerateC1 C7 G1
1925-02-1115.67650MinorC1 C7 G1
1926-11-1618.722000MajorC1 C7 G1
1929-05-0214.38800MinorC1 C7 G1
1933-08-241818500MajorC1 C3 C7 G1
1934-12-0114.18500MinorC1 C7 G1
1936-03-1818.621200MajorC1 C7 G1
1940-03-3017.817700ModerateC1 C7 G1
1941-04-0514.28640MinorC1 C7 G1
1942-05-2314.18860MinorC1 C7 G1
1972-06-2216.974000MinorC1 G1
1975-09-2615.750000MinorC1 G1
1978-01-0914.5618600Minornone
1979-03-0614.5418500Minornone
1983-12-1315.7224900Minornone
1984-02-1415.2222100Minornone
1986-03-1514.7919800Minornone
1990-10-2315.5323900Minornone
1994-08-1815.7125000Minornone
1996-01-1920.8667900Majornone
2002-03-2614.0616100Minornone
2003-06-0114.4818200Minornone
2004-09-1818.9923900Majornone
2005-04-0215.8111800Minornone
2005-11-3015.7411600Minornone
2006-11-1614.439080Minornone
2008-03-0514.168610Minornone
2010-01-2517.1315000Moderatenone
2010-12-0115.9212000Minornone
2011-03-1115.912000Minornone
2011-04-2816.2512800Minornone
2011-09-0820.9764200Majornone



Codes and description

C1|Crest information looks unreliable and incomplete and not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information looks reliable despite potential problems. This data was used in frequency calculations.
C3|Crest height estimated by the USGS.
C4|Crest height is from the National Weather Service.
C5|Crest height affected by backwater.
C6|Crest occurred at a previous flood stage that is lower than the current flood stage. The crests below the new flood stage are not used in flood frequency calculations.
C7|Crest from USGS yearly peak and/or date is different than the crest we provide. In many cases MARFC uses crest based on backwater or ice effects.
C8|Crest month or day of occurrence has been estimated by The Middle Atlantic River Forecast Center usually based on nearby gage information.
C9|Crest date (day) in the month is unknown.
F1|Flow is an estimate.
F2|Flow affected by regulation or diversion and in some cases to an unknown degree.
F3|Flow effected by snow-melt, ice jam or debris jam break up.
F4|Flow affected by dam failure.
F5|Flow - All or part of the record affected by urbanization, mining, agricultural changes, channelization or other factors.
G1|Gage height at a different site and/or datum.
G2|Gage is not an official USGS gage with crests provided by the NWS. Crest information looks unreliable and incomplete and not used in flood frequency calculations.
G3|Gage datum changed during this year.
none,No code; Good Data

Updated: 07:20 AM Nov 12, 2013