Rapidan River at Culpeper, Culpeper County VA (CLPV2)
Gage Location: Culpeper County, VirginiaSite Location: Culpeper County, Virginia
Latitude: 38.35Longitude: -77.975Elevation: 241.36 ft. MSLDrainage Area: 468 Sq. Mi.
Minor Stage: 13 ft. Moderate Stage: 17 ft.Major Stage: 21 ft.
First Flood: 1932-10-18Last Flood: 2013-05-08 Crest: 14.35 ft.Datum change: 1930-10-01Number of Floods: 55

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MINOR FLOODS
Date of FloodCrest(ft)
1932-10-1815.72
1932-11-1014.9
1933-04-1716
1934-09-1415.77
1934-12-0214.77
1937-01-2115.42
1940-08-1715.36
1942-08-0915.58
1944-09-1914.56
1947-11-0414.1
1948-12-0415.62
1965-02-0815.15
1973-08-1815.2
1979-02-2615.41
1979-10-0214.78
1984-03-2915.98
1987-04-1715.97
1990-10-2314.4
1992-12-1114.38
1993-11-2814.58
1998-02-0514.82
1998-03-2114.02
1998-05-0815.73
2003-02-2314.3
2004-09-2914.06
2010-01-2515.43
2011-04-1713.51
2013-01-3113.49
2013-05-0814.35
 MODERATE FLOODS
Date of FloodCrest(ft)
1934-09-1719.53
1935-09-0617.53
1936-03-1819.25
1937-10-2019.41
1950-12-0517.1
1975-03-2017.26
1976-10-1017.5
1978-01-2617.47
1979-09-0618.79
1979-09-2217.28
1984-02-1518.24
1987-09-0917.77
1989-05-0618.19
1993-03-0518.91
1996-01-2018.22
1998-02-1817.15
1999-09-3017.53
2003-09-1918.51
 MAJOR FLOODS
Date of FloodCrest(ft)
1937-04-2628.03
1942-10-1630.3
1955-08-1824.31
1972-06-2229.53
1972-10-0626.23
1985-11-0522.52
1995-06-2830.4
1996-09-0727.49
 MISSING
Date of FloodCrest(ft)



Categorical Floods by Month
MonthMinor
After
Datum		Minor
Total		Moderate
After
Datum		Moderate
Total		Major
After
Datum		Major
Total		Missing
After
Datum		Missing
Total
January33220000
February44220000
March22330000
April33001100
May22110000
June00002200
July00000000
August33001100
September33771100
October33222200
November33001100
December33110000


Categorical Floods by Season
SeasonMinorModerateMajorMissing
Fall9940
Winter10500
Spring7410
Summer3030


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: 10:57 PM May 08, 2013