Sherman Creek at Shermans Dale, Perry County PA (SMDP1)
Gage Location: Perry County, PennsylvaniaSite Location: Perry County, Pennsylvania
Latitude: 40.323Longitude: -77.169Elevation: 422.63 ft. MSLDrainage Area: 200 Sq. Mi.
Minor Stage: 9 ft. Moderate Stage: 11 ft.Major Stage: 16 ft.
First Flood: 1843-09-01Last Flood: 2014-05-16 Crest: 13.41 ft.Datum change: 1930-01-29Number of Floods: 77

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1843-09-01-9999-9999MissingC1
1846-03-16-9999-9999MissingC1
1860-05-11-9999-9999MissingC1
1867-02-15-9999-9999MissingC1
1927-07-2220.3444000MajorC1
1933-08-2414.0522300Moderatenone
1934-09-179.068060Minornone
1934-12-0112.2816700Moderatenone
1936-03-1210.2811000Minornone
1937-04-279.879330Minornone
1937-11-139.438360Minornone
1942-05-2211.1411800Moderatenone
1942-12-309.027620Minornone
1946-05-2710.229930Minornone
1950-11-2511.4812700Moderatenone
1950-12-049.488380Minornone
1952-03-1113.5917800Moderatenone
1952-11-2211.5112700Moderatenone
1953-03-249.468380Minornone
1953-05-269.718780Minornone
1955-08-139.076260Minornone
1955-10-1410.910000Minornone
1956-11-0212.7518300Moderatenone
1962-03-069.01-9999Minornone
1966-02-1310.1510600Minornone
1968-05-2910.1310500Minornone
1970-04-0310.1410500Minornone
1970-07-109.889880Minornone
1972-03-039.266040Minornone
1972-06-2318.0927500Majornone
1975-09-2611.239190Moderatenone
1975-10-1810.668150Minornone
1976-10-0914.1515500Moderatenone
1978-01-109.457110Minornone
1978-05-1510.148360Minornone
1978-08-049.787800Minornone
1979-01-2412.0211400Moderatenone
1979-02-2511-9999Moderatenone
1979-02-269.216820Minornone
1980-03-219.937880Minornone
1980-04-099.447120Minornone
1981-02-2310.969580Minornone
1983-12-139.827710Minornone
1984-02-1416.120300Majornone
1986-03-159.457140Minornone
1989-06-2112.2511900Moderatenone
1989-07-139.457140Minornone
1989-07-1612.5712500Moderatenone
1990-10-1310.058050Minornone
1990-10-239.246810Minornone
1993-04-0110.068070Minornone
1993-11-2811.4210400Moderatenone
1995-01-209.827420Minornone
1996-01-1911.710600Moderatenone
1996-01-2711.710600Moderatenone
1996-09-0714.5616700Moderatenone
1996-09-1311.4210100Moderatenone
1997-09-1110.528520Minornone
1997-11-0810.067790Minornone
1998-01-089.757310Minornone
2003-12-1111.379970Moderatenone
2004-09-1816.3121700Majornone
2005-03-299.687200Minornone
2005-04-029.366730Minornone
2005-11-309.376750Minornone
2006-06-2811.8310800Moderatenone
2008-03-0511.5710300Moderatenone
2009-05-2913.6216900Moderatenone
2010-01-2510.6210700Minornone
2010-12-0110.229920Minornone
2011-03-1111.8213000Moderatenone
2011-04-1711.6712700Moderatenone
2011-09-0711.0411500Moderatenone
2011-09-1010.219900Minornone
2011-11-239.548520Minornone
2012-10-319.648710Minornone
2014-05-1613.4116400Moderatenone



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