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: 2012-10-30 Crest: 11.81 ft.Datum change: 1990-01-30Number of Floods: 31

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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



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