North Branch Raritan River near Raritan, Somerset County NJ (RRTN4)
Gage Location: Somerset County, New JerseySite Location: Somerset County, New Jersey
Latitude: 40.571Longitude: -74.679Elevation: 50.43 ft. MSLDrainage Area: 190 Sq. Mi.
Minor Stage: 10 ft. Moderate Stage: 12 ft.Major Stage: 15 ft.
First Flood: 1896-02-06Last Flood: 2011-09-08 Crest: 12.72 ft.Datum change: 1936-10-17Number of Floods: 54

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Height Above Flood Stage for Entire Period of Record
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
10 ft to 11 ft2852.810 ft or above 53100.0
11 ft to 12 ft1222.611 ft or above 2547.2
12 ft to 13 ft47.512 ft or above 1324.5
13 ft to 14 ft35.713 ft or above 917.0
14 ft to 15 ft11.914 ft or above 611.3
15 ft to 16 ft35.715 ft or above 59.4
16 ft to 17 ft00.016 ft or above 23.8
17 ft to 18 ft11.917 ft or above 23.8
18 ft to 19 ft11.918 ft or above 11.9
Height Above Flood Stage After Datum Change
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
10 ft to 11 ft2450.010 ft or above 48100.0
11 ft to 12 ft1122.911 ft or above 2450.0
12 ft to 13 ft48.312 ft or above 1327.1
13 ft to 14 ft36.213 ft or above 918.8
14 ft to 15 ft12.114 ft or above 612.5
15 ft to 16 ft36.215 ft or above 510.4
16 ft to 17 ft00.016 ft or above 24.2
17 ft to 18 ft12.117 ft or above 24.2
18 ft to 19 ft12.118 ft or above 12.1