Juniata River at Newport, Perry County PA (NPTP1)
Gage Location: Perry County, PennsylvaniaSite Location: Perry County, Pennsylvania
Latitude: 40.478Longitude: -77.129Elevation: 363.93 ft. MSLDrainage Area: 3354 Sq. Mi.
Minor Stage: 22 ft. Moderate Stage: 25 ft.Major Stage: 30 ft.
First Flood: 1881-02-11Last Flood: 2004-09-19 Crest: 23.74 ft.Datum change: 1929-07-16Number of Floods: 12

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1881-02-11-9999-9999MissingC1
1889-06-0135.9209000MajorC1
1902-03-0125.3118000ModerateC1
1907-03-152398400MinorC1
1936-03-1934.24190000Majornone
1937-04-2724.4100000Minornone
1950-11-2625.36108000Moderatenone
1963-03-0624.51-9999MinorC7
1972-06-2333.97187000MajorF2
1984-02-1523.2190500MinorF2
1996-01-2024.69103000MinorF2
2004-09-1923.7496200MinorF2



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