South Branch Potomac River near Springfield, Hampshire County WV (SPRW2)
Gage Location: Hampshire County, West Virginia	Site Location: Hampshire County, West Virginia
Latitude: 39.447	Longitude: -78.654	Elevation: 561.41 ft. MSL	Drainage Area: 1461 Sq. Mi.
Minor Stage: 15 ft.	Moderate Stage: 19 ft.	Major Stage: 25 ft.
First Flood: 1877-11-25	Last Flood: 2013-05-08 Crest: 16.79 ft.	Datum change: 1928-09-25	Number of Floods: 82

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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 8 8 13 13 March 19 19 32 32 April 13 14 45 46 May 11 11 56 57 June 4 4 60 61 July 0 0 60 61 August 2 2 62 63 September 4 4 66 67 October 7 7 73 74 November 3 4 76 78 December 4 4 80 82 Seasonal Totals Winter (Dec-Jan-Feb) 17 Spring (Mar-Apr-May) 44 Summer (Jun-Jul-Aug) 6 Fall (Sep-Oct-Nov) 15

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: 07:56 AM May 09, 2013