Wills Creek near Cumberland, Allegany County MD (CWCM2)
Gage Location: Allegany County, MarylandSite Location: Allegany County, Maryland
Latitude: 39.67Longitude: -78.788Elevation: 640.89 ft. MSLDrainage Area: 247 Sq. Mi.
Minor Stage: 10 ft. Moderate Stage: 12 ft.Major Stage: 14 ft.
First Flood: 1924-03-29Last Flood: 2012-10-31 Crest: 10.27 ft.Datum change: 1929-10-18Number of Floods: 17

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1924-03-2913-9999ModerateC1 G1
1936-03-1720.238100MajorG3
1937-04-2613.4518600Moderatenone
1942-10-1515.1423300Majornone
1954-10-1610.711900Minornone
1960-05-0810.2911000Minornone
1972-06-2310.0611300Minornone
1984-02-1410.813100Minornone
1984-08-1314.9424000Majornone
1993-04-1611.7315400Minornone
1993-11-2810.2611800Minornone
1996-01-1923.1145900Majornone
1996-09-0611.5414900Minornone
2005-03-2911.4114600Minornone
2010-03-1310.8510600Minornone
2011-03-1110.9610800Minornone
2012-10-3110.279430Minornone



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