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 during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period 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: 07:31 AM Dec 19, 2014