Raritan River below Calco Dam at Bound Brook, Somerset County NJ (BDKN4)
Gage Location: Somerset County, New Jersey	Site Location: Somerset County, New Jersey
Latitude: 40.551	Longitude: -74.548	Elevation: -9999 ft. MSL	Drainage Area: 785 Sq. Mi.
Minor Stage: 28 ft.	Moderate Stage: 30 ft.	Major Stage: 33 ft.
First Flood: 1882-09-24	Last Flood: 2011-12-08 Crest: 28.59 ft.	Datum change: 1966-10-01	Number of Floods: 67

Click on table headers to sort

Month Number of Floods After Datum Number of Floods Total Cumulative Total After Datum Cumulative Total January 7 7 7 7 February 3 3 10 10 March 11 11 21 21 April 10 10 31 31 May 3 3 34 34 June 3 3 37 37 July 3 3 40 40 August 3 3 43 43 September 7 8 50 51 October 4 4 54 55 November 2 2 56 57 December 10 10 66 67 Seasonal Totals Winter (Dec-Jan-Feb) 20 Spring (Mar-Apr-May) 24 Summer (Jun-Jul-Aug) 9 Fall (Sep-Oct-Nov) 14

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: 08:09 AM Feb 08, 2013