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 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