Conococheague Creek at Fairview, Washington County MD (FAVM2)
Gage Location: Washington County, MarylandSite Location: Washington County, Maryland
Latitude: 39.719Longitude: -77.825Elevation: 391.85 ft. MSLDrainage Area: 494 Sq. Mi.
Minor Stage: 10 ft. Moderate Stage: 12 ft.Major Stage: 15 ft.
First Flood: 1889-06-01Last Flood: 2014-06-13 Crest: 14.87 ft.Datum change: 2011-04-17Number of Floods: 49

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1889-06-0116.522000MajorC3 C9
1905-03-0316.522000MajorC1
1924-03-291613000MajorC1 C9 G1
1929-04-1611.37780MinorC1 G1
1929-10-2210.87280MinorC1 G1
1933-08-2413.39000ModerateC1 C5 G1 G3
1934-09-1711.610700MinorC1 G3
1934-12-0114.816300ModerateC1
1936-03-1813.2713700ModerateC1
1937-04-2813.8414200ModerateC1
1942-10-1612.1711100ModerateC1
1945-09-1810.37950MinorC1
1950-11-2511.7210200MinorC1
1952-03-1214.4415500ModerateC1
1952-11-2215.1617100MajorC1
1955-03-2210.217820MinorC1
1958-05-06107510MinorC1
1961-02-2611.439630MinorC1
1963-03-0610.918890MinorC1
1965-03-0512.2411100ModerateC1
1966-02-1412.6912000ModerateC1
1967-03-0710.578360MinorC1
1970-04-0312.0710800ModerateC1
1972-06-2324.532400MajorC1
1973-10-2911.339560MinorC1
1975-09-2614.7915800ModerateC1
1976-10-091618000MajorC1
1979-01-2512.9712500ModerateC1
1984-02-1517.9721500MajorC1
1986-03-1511.469780MinorC1
1987-04-0510.187760MinorC1
1988-05-1910.568330MinorC1
1989-05-1710.167730MinorC1
1990-10-2310.047550MinorC1
1993-04-0212.1711000ModerateC1
1993-11-2814.1114600ModerateC1
1996-06-1915.2316700MajorC1
1997-11-0813.613600ModerateC1
2003-06-0414.0814500ModerateC1
2004-09-1913.7513900ModerateC1
2005-03-2911.449740MinorC1
2008-03-0611.449740MinorC1
2010-05-2414.0414400ModerateC1
2011-04-1713.6113500ModerateC1
2011-09-1011.5510000Minornone
2011-11-2310.17100Minornone
2012-10-3111.769690Minornone
2014-05-1710.748000Minornone
2014-06-1314.8715600Moderatenone



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