West Branch Susquehanna River at Jersey Shore, Lycoming County PA (JRSP1)
Gage Location: Lycoming County, PennsylvaniaSite Location: Lycoming County, Pennsylvania
Latitude: 41.203Longitude: -77.253Elevation: 513.19 ft. MSLDrainage Area: 5225 Sq. Mi.
Minor Stage: 26 ft. Moderate Stage: 28 ft.Major Stage: 29 ft.
First Flood: 1889-06-01Last Flood: 2004-09-18 Crest: 30.74 ft.Datum change: 2000-03-23Number of Floods: 9

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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
27 ft to 28 ft222.227 ft or above 9100.0
28 ft to 29 ft00.028 ft or above 777.8
29 ft to 30 ft111.129 ft or above 777.8
30 ft to 31 ft222.230 ft or above 666.7
31 ft to 32 ft00.031 ft or above 444.4
32 ft to 33 ft111.132 ft or above 444.4
33 ft to 34 ft00.033 ft or above 333.3
34 ft to 35 ft00.034 ft or above 333.3
35 ft to 36 ft00.035 ft or above 333.3
36 ft to 37 ft00.036 ft or above 333.3
37 ft to 38 ft222.237 ft or above 333.3
38 ft to 39 ft111.138 ft or above 111.1
Height Above Flood Stage After Datum Change
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
26 ft to 27 ft00.026 ft or above 1100.0
27 ft to 28 ft00.027 ft or above 1100.0
28 ft to 29 ft00.028 ft or above 1100.0
29 ft to 30 ft00.029 ft or above 1100.0
30 ft to 31 ft1100.030 ft or above 1100.0
31 ft to 32 ft00.031 ft or above 00.0
32 ft to 33 ft00.032 ft or above 00.0
33 ft to 34 ft00.033 ft or above 00.0
34 ft to 35 ft00.034 ft or above 00.0
35 ft to 36 ft00.035 ft or above 00.0
36 ft to 37 ft00.036 ft or above 00.0
37 ft to 38 ft00.037 ft or above 00.0
38 ft to 39 ft00.038 ft or above 00.0





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