Aughwick Creek near Shirleysburg, Huntingdon County PA (SLYP1)
Gage Location: Huntingdon County, PennsylvaniaSite Location: Huntingdon County, Pennsylvania
Latitude: 40.282Longitude: -77.891Elevation: 565 ft. MSLDrainage Area: 301 Sq. Mi.
Minor Stage: 10 ft. Moderate Stage: 12 ft.Major Stage: 20 ft.
First Flood: 1990-10-24Last Flood: 2014-05-16 Crest: 12.42 ft.Datum change: 1990-01-30Number of Floods: 32

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1990-10-2410.657150Minornone
1993-03-2911.838210Minornone
1993-11-2815.1911500Moderatenone
1995-06-2710.425960Minornone
1996-01-1919.4644400Moderatenone
1996-12-0212.419900Moderatenone
1997-11-0815.2917000Moderatenone
1999-01-2411.57780Minornone
2003-01-0210.96800Minornone
2003-06-0412.69980Moderatenone
2003-11-2010.686500Minornone
2003-12-1113.5211900Moderatenone
2004-09-0910.796650Minornone
2004-09-1818.534200Moderatenone
2005-03-2912.529720Moderatenone
2005-11-3012.158980Moderatenone
2008-03-0514.0413300Moderatenone
2008-04-2711.157200Minornone
2008-05-1210.356020Minornone
2009-05-0510.366030Minornone
2010-01-2612.189040Moderatenone
2010-03-1412.7810300Moderatenone
2010-12-0212.179020Moderatenone
2011-03-1113.4311700Moderatenone
2011-04-1712.459580Minornone
2011-04-2810.165760Minornone
2011-09-0714.815800Moderatenone
2011-09-2710.055610Minornone
2011-11-2312.639660Moderatenone
2011-12-0810.45720Minornone
2012-10-3011.817940Minornone
2014-05-1612.429340Moderatenone



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