Swatara Creek at Harper Tavern, Lebanon County PA (HTVP1)
Gage Location: Lebanon County, PennsylvaniaSite Location: Lebanon County, Pennsylvania
Latitude: 40.403Longitude: -76.578Elevation: 356.68 ft. MSLDrainage Area: 337 Sq. Mi.
Minor Stage: 9 ft. Moderate Stage: 12 ft.Major Stage: 15 ft.
First Flood: 1889-06-01Last Flood: 2013-01-31 Crest: 9.01 ft.Datum change: 1919-01-01Number of Floods: 153

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1889-06-0125.688000MajorC1 F1
1919-07-219.46750Minornone
1920-03-089.67030Minornone
1920-03-1311.3210000Minornone
1921-05-0510.167640Minornone
1922-03-0810.47880Minornone
1924-01-171211400Moderatenone
1924-10-0113.214200Moderatenone
1925-02-1214.417200Moderatenone
1925-11-139.46750Minornone
1926-01-199.46750Minornone
1926-02-2611.19600Minornone
1926-07-3012.412500Moderatenone
1926-11-1614.617800Moderatenone
1926-11-1910.27960Minornone
1927-10-139.16370Minornone
1927-10-199.26490Minornone
1928-02-1510.68650Minornone
1928-06-30119400Minornone
1929-02-2710.47880Minornone
1929-03-0610.58000Minornone
1929-10-0311.29800Minornone
1930-04-079.36620Minornone
1932-03-289.57020Minornone
1932-11-019.366650Minornone
1933-04-1710.428260Minornone
1933-08-2417.5325300Majornone
1934-12-0211.5410400Minornone
1936-03-1213.7515800Moderatenone
1936-03-189.927710Minornone
1936-04-0610.478620Minornone
1937-10-2311.811000Minornone
1938-12-0610.38350Minornone
1940-03-1510.429660Minornone
1940-03-3110.359660Minornone
1940-04-099.598440Minornone
1940-04-209.227860Minornone
1940-09-0111.5111500Minornone
1942-05-2312.8814000Moderatenone
1942-08-1711.0410300Minornone
1942-09-289.918440Minornone
1942-12-3011.0710300Minornone
1943-11-0913.2514600Moderatenone
1945-07-1911.3510400Minornone
1946-05-289.477620Minornone
1947-05-2211.7211000Minornone
1947-05-269.988310Minornone
1947-07-0810.579190Minornone
1948-12-3111.2110400Minornone
1949-01-0610.138810Minornone
1950-11-2613.0914000Moderatenone
1950-12-0513.3414400Moderatenone
1951-02-0711.1610500Minornone
1951-12-059.167590Minornone
1952-03-1211.7211500Minornone
1952-04-299.448150Minornone
1952-05-1210.7810100Minornone
1952-09-0111.3911000Minornone
1952-11-2211.7911700Minornone
1953-01-249.768690Minornone
1955-08-1912.3512700Moderatenone
1957-04-0610.39390Minornone
1957-12-2110.479680Minornone
1958-02-289.48150Minornone
1959-01-229.678550Minornone
1959-09-039.478280Minornone
1960-09-2010.719980Minornone
1961-02-2611.110600Minornone
1964-01-2610.279350Minornone
1965-02-0811.5611300Minornone
1966-02-1410.068140MinorC7
1968-05-319.087540Minornone
1970-04-0311.9711600Minornone
1971-02-1412.7613100Moderatenone
1972-06-2323.7266700Majornone
1973-09-159.858360Minornone
1973-12-2110.9810000Minornone
1975-03-209.748210Minornone
1975-09-2717.2424700Majornone
1976-01-2712.5712800Moderatenone
1976-10-1012.8913400Moderatenone
1977-03-0510.859820Minornone
1977-03-239.167420Minornone
1978-01-099.98430Minornone
1978-01-2612.4712600Moderatenone
1978-03-2711.3810600Minornone
1979-01-2110.158780Minornone
1979-01-2515.7720500Majornone
1979-02-2410.539340Minornone
1979-02-2611.4210700Minornone
1979-03-069.367680Minornone
1979-09-0610.188820Minornone
1980-03-229.557550Minornone
1981-02-1112.611000Moderatenone
1981-02-249.86440Minornone
1982-02-049.28-9999Minornone
1983-04-1612.8213000Moderatenone
1983-12-1411.199940Minornone
1984-02-159.27160Minornone
1984-05-3010.669160Minornone
1985-02-0311.129840Minornone
1986-03-1510.759390Minornone
1987-09-1412.0311600Moderatenone
1988-05-2011.9311400Minornone
1989-05-069.797790Minornone
1989-05-1711.6810800Minornone
1990-01-309.517420Minornone
1990-12-049.317160Minornone
1992-03-2710.186850Minornone
1993-04-029.367230Minornone
1993-04-119.587510Minornone
1993-11-2915.0915800Majornone
1993-12-0512.1110200Moderatenone
1994-03-2710.818280Minornone
1994-06-079.616690Minornone
1995-01-2110.178800Minornone
1996-01-2015.6719800Majornone
1996-01-2812.4912600Moderatenone
1996-10-2011.8311400Minornone
1996-11-0910.128730Minornone
1996-12-029.768210Minornone
1996-12-1410.188820Minornone
1999-01-249.347630Minornone
2000-03-2211.2310400Minornone
2000-12-1710.949950Minornone
2003-03-2110.399120Minornone
2003-06-0310.289000Minornone
2003-08-119.47700Minornone
2003-12-1210.829800Minornone
2004-09-1917.3625000Majornone
2004-09-2910.098690Minornone
2005-01-1410.298980Minornone
2005-03-2911.0210100Minornone
2005-04-0311.5811000Minornone
2006-06-2818.2828300Majornone
2006-10-2910.589410Minornone
2006-11-1710.559360Minornone
2007-03-0211.6711200Minornone
2008-02-029.327600Minornone
2008-03-0613.8815300Moderatenone
2008-12-1210.268930Minornone
2010-10-0111.7511300minornone
2011-03-0710.669530Minornone
2011-03-1114.3216300Moderatenone
2011-04-1711.7811300Minornone
2011-04-289.267520Minornone
2011-06-1210.138740Minornone
2011-09-0824.4674800Majornone
2011-09-2811.1110200Minornone
2011-11-2310.228660Minornone
2012-05-169.137340Minornone
2012-10-309.287510Minornone
2013-01-319.017190Minornone



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: 07:20 AM Nov 12, 2013