Monocacy River at Jug Bridge near Frederick, Frederick County MD (FDKM2)
Gage Location: Frederick County, MarylandSite Location: Frederick County, Maryland
Latitude: 39.028Longitude: -77.366Elevation: 231.92 ft. MSLDrainage Area: 817 Sq. Mi.
Minor Stage: 15 ft. Moderate Stage: 17 ft.Major Stage: 20 ft.
First Flood: 1889-06-01Last Flood: 2014-05-17 Crest: 18.65 ft.Datum change: 1929-10-01Number of Floods: 114

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1889-06-013056000MajorC1 C8
1929-10-031618500MinorC3 F1
1933-08-1116.0820300Minornone
1933-08-2428.151000Majornone
1933-09-1715.9820000Minornone
1934-09-1721.633500Majornone
1934-09-3015.3818700Minornone
1934-12-0217.222800Moderatenone
1936-03-1216.420900Minornone
1937-04-2721.733800Majornone
1937-11-1416.7521800Minornone
1940-04-2117.5323400Moderatenone
1940-09-0117.8524100Moderatenone
1940-09-2616.5921400Minornone
1942-05-2217.418100Moderatenone
1942-08-1420.2927900Majornone
1942-10-1616.9719700Minornone
1942-12-3016.5718800Minornone
1943-05-2118.7424600Moderatenone
1943-11-0918.0522900Moderatenone
1944-01-0419.0125300Moderatenone
1945-09-1915.516300Minornone
1945-11-2917.1519800Moderatenone
1946-06-0319.2724600Moderatenone
1948-01-0215.4316100Minornone
1948-12-3117.1419600Moderatenone
1949-01-0615.6616700Minornone
1949-07-1321.329700Majornone
1949-07-1916.0717500Minornone
1950-03-2315.0915500Minornone
1950-12-0517.320100Moderatenone
1952-03-1117.7621200Moderatenone
1952-04-2718.4122500Moderatenone
1952-11-2217.7321000Moderatenone
1955-03-2316.1717700Minornone
1955-08-1315.9817300Minornone
1957-12-2116.4118200Minornone
1957-12-2715.3316000Minornone
1965-03-0617.1519700Moderatenone
1966-02-1415.6316600Minornone
1966-09-1518.3422400Moderatenone
1967-03-0818.4222600Moderatenone
1970-04-1515.2715800Minornone
1970-07-1016.4818300Minornone
1972-06-2335.981600Majornone
1973-12-2716.2817900Minornone
1974-03-3115.5516400Minornone
1975-03-2015.9317200Minornone
1975-09-2630.861200Majornone
1976-10-1025.3843500Majornone
1977-04-0516.6420200Minornone
1978-01-2720.3329100Majornone
1978-03-2715.7218300Minornone
1979-01-2520.2528900Majornone
1979-02-2619.426800Moderatenone
1979-09-0622.0333700Majornone
1979-10-0216.5720100Minornone
1980-03-2217.3421800Moderatenone
1983-04-1119.3426600Moderatenone
1983-04-1617.1521400Moderatenone
1983-12-1418.2423900Moderatenone
1984-02-1520.0128300Majornone
1984-03-291619300Minornone
1985-02-1319.3826700Moderatenone
1987-11-3018.2822900Moderatenone
1988-05-1918.4723300Moderatenone
1989-05-0717.0420000Moderatenone
1990-10-2415.1816000Minornone
1992-11-2315.2116100Minornone
1992-12-1216.9919900Minornone
1993-03-0518.4123200Moderatenone
1993-03-2417.6821500Moderatenone
1993-04-1715.3216300Minornone
1993-11-2920.1327500Majornone
1993-12-0620.6428800Majornone
1995-01-2116.1818100Minornone
1996-01-2023.6737400Majornone
1996-01-2816.3218400Minornone
1996-06-2022.5434100Majornone
1996-09-0717.7421600Moderatenone
1996-10-1916.719300Minornone
1996-12-1418.1522600Moderatenone
1998-01-0917.7921700Moderatenone
1998-02-1815.1716000Minornone
1998-03-2117.7421600Moderatenone
2000-03-2216.4318700Minornone
2000-12-1815.8917500Minornone
2003-01-0215.1716025Minornone
2003-05-1715.8617450Minornone
2003-06-0815.115885Minornone
2003-09-2419.7124100Moderatenone
2003-12-1220.9227400Majornone
2004-02-0716.3518492Minornone
2004-09-2917.6519100Moderatenone
2005-01-1516.9817600Minornone
2005-03-2915.6915100Minornone
2005-04-0317.4318600Moderatenone
2006-06-2815.2914500Minornone
2007-03-0317.0718100Moderatenone
2008-05-1317.0418000Moderatenone
2008-12-1216.5417100Minornone
2009-12-2718.1220300Moderatenone
2010-01-2616.7117400Minornone
2010-03-1416.9217800Minornone
2011-03-0716.0116100Minornone
2011-03-1116.9417800Minornone
2011-04-1720.6126300Majornone
2011-09-0917.0418000Moderatenone
2011-11-2320.2525900Majornone
2012-10-3121.7729700Majornone
2013-01-3117.5719900Moderatenone
2014-03-3115.5216100Minornone
2014-05-0119.2123500Moderatenone
2014-05-1718.6522200Moderatenone



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