Cacapon River near Great Cacapon, Morgan County WV (GCPW2)
Gage Location: Morgan County, West Virginia	Site Location: Morgan County, West Virginia
Latitude: 39.5822	Longitude: -78.31	Elevation: 456.6 ft. MSL	Drainage Area: 675 Sq. Mi.
Minor Stage: 9 ft.	Moderate Stage: 16 ft.	Major Stage: 20 ft.
First Flood: 1926-11-16	Last Flood: 2013-05-08 Crest: 12.39 ft.	Datum change: 2012-09-27	Number of Floods: 73

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Height Above Flood Stage for Entire Period of Record Height Above FS Total Occurence Percent of Crest Occurrence Cumulative Total Flood Occurrence Percent of Floods above Listed Value 9 ft to 10 ft 8 11.0 9 ft or above 73 100.0 10 ft to 11 ft 11 15.1 10 ft or above 65 89.0 11 ft to 12 ft 7 9.6 11 ft or above 54 74.0 12 ft to 13 ft 10 13.7 12 ft or above 47 64.4 13 ft to 14 ft 8 11.0 13 ft or above 37 50.7 14 ft to 15 ft 9 12.3 14 ft or above 29 39.7 15 ft to 16 ft 4 5.5 15 ft or above 20 27.4 16 ft to 17 ft 4 5.5 16 ft or above 16 21.9 17 ft to 18 ft 4 5.5 17 ft or above 12 16.4 18 ft to 19 ft 0 0.0 18 ft or above 8 11.0 19 ft to 20 ft 1 1.4 19 ft or above 8 11.0 20 ft to 21 ft 1 1.4 20 ft or above 7 9.6 21 ft to 22 ft 1 1.4 21 ft or above 6 8.2 22 ft to 23 ft 2 2.7 22 ft or above 5 6.8 23 ft to 24 ft 1 1.4 23 ft or above 3 4.1 24 ft to 25 ft 1 1.4 24 ft or above 2 2.7 25 ft to 26 ft 0 0.0 25 ft or above 1 1.4 26 ft to 27 ft 0 0.0 26 ft or above 1 1.4 27 ft to 28 ft 0 0.0 27 ft or above 1 1.4 28 ft to 29 ft 0 0.0 28 ft or above 1 1.4 29 ft to 30 ft 0 0.0 29 ft or above 1 1.4 30 ft to 31 ft 1 1.4 30 ft or above 1 1.4

Height Above Flood Stage After Datum Change Height Above FS Total Occurence Percent of Crest Occurrence Cumulative Total Flood Occurrence Percent of Floods above Listed Value 9 ft to 10 ft 0 0.0 9 ft or above 3 100.0 10 ft to 11 ft 1 33.3 10 ft or above 3 100.0 11 ft to 12 ft 0 0.0 11 ft or above 2 66.7 12 ft to 13 ft 1 33.3 12 ft or above 2 66.7 13 ft to 14 ft 0 0.0 13 ft or above 1 33.3 14 ft to 15 ft 0 0.0 14 ft or above 1 33.3 15 ft to 16 ft 1 33.3 15 ft or above 1 33.3 16 ft to 17 ft 0 0.0 16 ft or above 0 0.0 17 ft to 18 ft 0 0.0 17 ft or above 0 0.0 18 ft to 19 ft 0 0.0 18 ft or above 0 0.0 19 ft to 20 ft 0 0.0 19 ft or above 0 0.0 20 ft to 21 ft 0 0.0 20 ft or above 0 0.0 21 ft to 22 ft 0 0.0 21 ft or above 0 0.0 22 ft to 23 ft 0 0.0 22 ft or above 0 0.0 23 ft to 24 ft 0 0.0 23 ft or above 0 0.0 24 ft to 25 ft 0 0.0 24 ft or above 0 0.0 25 ft to 26 ft 0 0.0 25 ft or above 0 0.0 26 ft to 27 ft 0 0.0 26 ft or above 0 0.0 27 ft to 28 ft 0 0.0 27 ft or above 0 0.0 28 ft to 29 ft 0 0.0 28 ft or above 0 0.0 29 ft to 30 ft 0 0.0 29 ft or above 0 0.0 30 ft to 31 ft 0 0.0 30 ft or above 0 0.0

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: 11:56 AM May 09, 2013