Assunpink Creek at Trenton, Mercer County NJ (TACN4)
Gage Location: Mercer County, New JerseySite Location: Mercer County, New Jersey
Latitude: 40.224Longitude: -74.749Elevation: 24.76 ft. MSLDrainage Area: 91 Sq. Mi.
Minor Stage: 8.5 ft. Moderate Stage: 9.5 ft.Major Stage: 11 ft.
First Flood: 1938-07-23Last Flood: 2014-05-01 Crest: 11.62 ft.Datum change: 1932-07-20Number of Floods: 68

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1938-07-238.92370Minornone
1938-09-2210.743320Majornone
1948-12-308.712200Minornone
1955-08-139.292400Moderatenone
1958-02-289.162300Moderatenone
1966-02-138.762080MinorF5
1967-03-079.912660ModerateF5
1967-08-288.782100MinorF5
1971-08-2813.463920MajorF5
1971-09-148.712000MinorF5
1973-02-0210.372690ModerateF5
1973-06-229.232230ModerateF5
1973-12-218.692020MinorF5
1975-07-1411.713180MajorF5
1975-07-2114.615450MajorF5
1975-09-268.82020MinorF5
1978-01-2610.552720MajorF5
1979-01-2110.762800MajorF5
1979-01-259.362240ModerateF5
1979-02-2610.272610ModerateF5
1982-01-048.671970MinorF5
1983-04-169.932470ModerateF5
1984-05-308.741990MinorF5
1984-07-079.52300ModerateF5
1986-04-179.542310ModerateF5
1987-04-049.082130ModerateF5
1987-07-0310.032510ModerateF5
1987-07-149.232190ModerateF5
1989-06-109.432270ModerateF5
1989-07-059.632350ModerateF5
1989-09-21102500ModerateF5
1991-01-128.551920MinorF5
1991-03-048.671970MinorF5
1992-12-119.422260ModerateF5
1994-01-2811.673230MajorF5
1994-03-1010.542790MajorF5
1996-01-1910.392730ModerateF5
1996-06-1311.693230MajorF5
1996-06-238.72060MinorF5
1996-07-319.122220ModerateF5
1996-10-1910.472770ModerateF5
1999-08-148.722100MinorF5
1999-09-1714.014510MajorF5
2001-03-309.162010ModerateF5
2001-06-178.582015MinorF5
2003-12-118.542000MinorF5
2004-02-068.752079MinorF5
2004-09-2911.082840MajorF5
2005-03-287.331160MinorF5
2005-04-028.621670MinorF5
2005-10-099.882240ModerateF5
2005-10-129.782190ModerateF5
2006-06-287.491320MinorF5
2006-11-088.861830MinorF5
2007-03-027.671340MinorF5
2007-04-1613.284050MajorF5
2007-04-277.081140MinorF5
2009-08-028.961840MinorF5
2009-08-2310.652570ModerateF5
2009-12-098.821780MinorF5
2010-03-139.362450ModerateF5
2010-03-308.991850MinorF5
2011-04-179.652590ModerateF5
2011-08-148.822180MinorF5
2011-08-2815.125820MajorF5
2011-09-089.282410MinorF5
2013-06-088.982290MinorF5
2014-05-0111.623710MajorF5



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