Delaware River at Stockton, Hunterdon County NJ (STKN4)
Gage Location: Hunterdon County, New JerseySite Location: Hunterdon County, New Jersey
Latitude: 40.403Longitude: -74.979Elevation: 54 ft. MSLDrainage Area: 6656 Sq. Mi.
Minor Stage: 18 ft. Moderate Stage: 20 ft.Major Stage: 24 ft.
First Flood: 1841-01-08Last Flood: 2011-09-08 Crest: 21.76 ft.Datum change: 2007-08-20Number of Floods: 17

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1841-01-0823.76-9999ModerateC1
1862-06-0621.8-9999ModerateC1
1902-02-2822.79-9999ModerateC1
1903-10-1127.7-9999MajorC1
1936-03-1926.9-9999MajorC1
1940-04-0118.96-9999MinorC1
1942-05-2420.8-9999ModerateC1
1949-01-0118.5-9999MinorC1
1951-04-0118.05-9999MinorC1
1952-12-1219.24-9999MinorC1
1955-08-2030.4-9999MajorC1
2004-09-1922.5-9999ModerateC1
2005-04-0426.75-9999MajorC1
2006-06-2925.35-9999MajorC1
2011-03-1219.14-9999Minornone
2011-08-2918.68-9999Minornone
2011-09-0821.76-9999Moderatenone



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: 08:00 PM May 28, 2014