West Branch Susquehanna River at Lock Haven, Clinton County PA (LHVP1)
Gage Location: Clinton County, PennsylvaniaSite Location: Clinton County, Pennsylvania
Latitude: 41.138Longitude: -77.442Elevation: 534.519 ft. MSLDrainage Area: 3345 Sq. Mi.
Minor Stage: 21 ft. Moderate Stage: 23 ft.Major Stage: 25 ft.
First Flood: 1889-06-01Last Flood: 2010-12-01 Crest: 24.1 ft.Datum change: 1974-10-01Number of Floods: 20

Click on table headers to sort
Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1889-06-0129.8-9999MajorC1
1898-03-2426.4-9999MajorC1
1902-03-0123.7-9999ModerateC1
1904-03-0424.2-9999ModerateC1
1904-11-0424.2-9999ModerateC1
1918-02-2126.8-9999MajorC1
1923-03-0425.1-9999MajorC1
1926-02-2622.8-9999MinorC1
1936-03-1832.3-9999MajorC1
1940-04-0121.7-9999MinorC1
1942-12-3123.1-9999ModerateC1
1946-05-2826.85-9999MajorC1
1950-11-2627.61-9999MajorC1
1964-03-1026.1-9999MajorC1
1972-06-2331.1-9999MajorC1
1975-09-2622.9291500MinorF2
1984-02-1522.3879000MinorF2
1996-01-2025.7693900MajorF2
2004-09-1828.13111000MajorF2
2010-12-0124.183400ModerateF2



Codes and description

C1|Crest information during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period 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: 07:31 AM Dec 19, 2014