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

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Month Number of Floods After Datum Number of Floods Total Cumulative Total After Datum Cumulative Total January 5 5 5 5 February 6 6 11 11 March 5 5 16 16 April 4 4 20 20 May 3 3 23 23 June 2 2 25 25 July 0 0 25 25 August 4 4 29 29 September 11 11 40 40 October 7 7 47 47 November 4 4 51 51 December 4 4 55 55 Seasonal Totals Winter (Dec-Jan-Feb) 15 Spring (Mar-Apr-May) 12 Summer (Jun-Jul-Aug) 6 Fall (Sep-Oct-Nov) 22

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