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 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