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: 2014-05-01 Crest: 13.29 ft.Datum change: 1936-10-17Number of Floods: 55

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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 ft2851.910 ft or above 54100.0
11 ft to 12 ft1222.211 ft or above 2648.1
12 ft to 13 ft47.412 ft or above 1425.9
13 ft to 14 ft47.413 ft or above 1018.5
14 ft to 15 ft11.914 ft or above 611.1
15 ft to 16 ft35.615 ft or above 59.3
16 ft to 17 ft00.016 ft or above 23.7
17 ft to 18 ft11.917 ft or above 23.7
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 ft2449.010 ft or above 49100.0
11 ft to 12 ft1122.411 ft or above 2551.0
12 ft to 13 ft48.212 ft or above 1428.6
13 ft to 14 ft48.213 ft or above 1020.4
14 ft to 15 ft12.014 ft or above 612.2
15 ft to 16 ft36.115 ft or above 510.2
16 ft to 17 ft00.016 ft or above 24.1
17 ft to 18 ft12.017 ft or above 24.1
18 ft to 19 ft12.018 ft or above 12.0