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 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