James River near Richmond, Henrico County VA (RMDV2)
Gage Location: Henrico County, Virginia	Site Location: Henrico County, Virginia
Latitude: 37.563	Longitude: -77.547	Elevation: 98.82 ft. MSL	Drainage Area: 6753 Sq. Mi.
Minor Stage: 12 ft.	Moderate Stage: 15 ft.	Major Stage: 22 ft.
First Flood: 1816-09-18	Last Flood: 2013-05-10 Crest: 15 ft.	Datum change: 1934-10-09	Number of Floods: 171

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MINOR FLOODS Date of Flood Crest(ft) 1936-02-17 14.68 1937-10-30 13.54 1939-08-20 14.37 1940-06-02 13.5 1942-05-18 14.4 1945-09-20 14.82 1946-01-09 12.2 1948-12-01 14.3 1949-04-16 14.67 1949-08-16 13.38 1950-09-12 14.6 1950-12-06 13.76 1950-12-10 14.85 1951-06-15 13.53 1951-12-22 14.53 1952-01-30 13.82 1952-03-13 14.22 1953-02-24 14.45 1954-03-03 14.54 1958-04-02 13.35 1959-06-04 12.05 1960-04-02 14.92 1961-04-14 12.63 1962-03-14 14.86 1962-03-24 13.94 1966-02-15 13.75 1970-01-02 14.92 1971-02-16 14.24 1971-10-26 13.95 1972-02-14 13.88 1972-02-29 13.95 1972-11-15 14.04 1973-03-19 14.26 1973-05-30 14.82 1974-09-08 13.31 1975-03-16 14.33 1976-01-02 14.08 1977-04-07 14.88 1978-03-17 14.18 1978-03-28 14.55 1979-01-23 13.2 1979-09-07 14.28 1979-10-01 13.52 1980-04-11 13.3 1980-04-16 14.74 1982-02-05 13.8 1983-04-04 14.14 1983-04-16 13.2 1983-04-26 13.78 1985-08-19 14.94 1987-03-03 14.33 1990-05-30 14.01 1991-01-13 14.91 1991-03-06 13.24 1993-03-26 14.43 1993-03-29 13.47 1993-04-17 13.24 1994-02-24 13.72 1994-03-03 13.45 1995-06-24 13.25 1996-01-29 13.87 2003-03-21 14.44 2003-04-12 12.99 2003-05-20 14.4 2003-07-04 13.33 2003-11-21 14.57 2003-12-12 13.54 2004-02-08 12.61 2004-04-15 13.36 2004-09-10 12.81 2005-01-15 14.4 2005-03-30 12.17 2005-12-01 14.36 2006-11-18 13.63 2007-03-04 12.22 2007-03-18 12.92 2007-04-17 13.82 2009-11-14 13.3 2009-12-10 13.74 2009-12-27 13.31 2010-03-15 13.38 2011-03-08 12.69 2011-03-12 14.78 2012-03-03 13.24 2012-03-26 13.63 2012-05-16 12.58 2013-01-18 12.64 2013-02-02 14.95

MODERATE FLOODS Date of Flood Crest(ft) 1934-12-03 19.08 1935-01-25 18.55 1935-09-07 21.01 1936-01-05 16.73 1936-01-21 16.7 1937-01-04 15.25 1937-01-22 15.95 1937-10-21 18.2 1940-08-18 21.8 1942-05-24 15.74 1942-10-17 19.8 1944-09-20 21.8 1948-02-16 15.45 1948-04-02 16.45 1948-08-06 15.5 1948-12-05 20.9 1949-03-24 16.22 1953-03-27 15.95 1955-03-08 16.1 1955-08-20 18.36 1957-04-08 15 1960-04-07 15.7 1961-10-23 17.98 1963-03-15 16.42 1965-02-09 15.32 1967-03-09 15.37 1971-06-01 17.02 1972-10-07 21.76 1973-02-04 16.46 1973-12-22 15.66 1973-12-29 15.94 1975-03-21 20.08 1975-09-26 16.1 1976-10-11 15.63 1978-01-28 19.36 1978-04-28 15.12 1979-02-27 20.38 1979-03-07 15.02 1979-06-05 18 1979-09-24 16.13 1982-06-15 15.65 1983-04-12 15.66 1984-02-16 17.27 1984-03-30 16.75 1987-04-18 21.91 1987-04-27 16.5 1987-09-10 18.53 1989-05-03 15.06 1989-05-07 17.7 1990-10-24 15.17 1992-04-24 19.24 1993-03-06 18.87 1993-11-29 15.3 1994-03-30 17.48 1995-01-18 16.42 1995-06-30 16.26 1996-01-21 20.61 1996-09-08 21.23 1996-12-03 15.72 1998-01-10 15.7 1998-01-29 16.77 1998-02-06 16.73 1998-02-19 16.66 1998-03-22 16.76 2000-10-01 15.43 2003-02-25 18.73 2004-10-01 15.5 2006-06-29 15.81 2006-10-08 15.42 2010-01-27 18.1 2011-04-18 15.07 2011-12-09 15.51 2013-05-10 15

MAJOR FLOODS Date of Flood Crest(ft) 1936-03-19 23.42 1937-04-27 22.65 1969-08-21 24.95 1972-06-23 28.62 1985-11-07 24.77

MISSING Date of Flood Crest(ft) 1816-09-18 -9999 1822-09-28 -9999 1878-09-12 -9999 1896-09-28 -9999 1915-09-01 -9999

Categorical Floods by Month Month Minor After Datum Minor Total Moderate After Datum Moderate Total Major After Datum Major Total Missing After Datum Missing Total January 9 9 11 11 0 0 0 0 February 10 10 8 8 0 0 0 0 March 22 22 11 11 1 1 0 0 April 14 14 9 9 1 1 0 0 May 5 5 4 4 0 0 0 0 June 4 4 5 5 1 1 0 0 July 1 1 0 0 0 0 0 0 August 3 3 3 3 1 1 0 0 September 5 5 6 6 0 0 0 5 October 3 3 9 9 0 0 0 0 November 4 4 1 1 1 1 0 0 December 8 8 6 6 0 0 0 0

Categorical Floods by Season Season Minor Moderate Major Missing Fall 12 16 1 5 Winter 27 25 0 0 Spring 41 24 2 0 Summer 8 8 2 0

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: 09:51 AM May 13, 2013