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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
02013000 DUNLAP CREEK NEAR COVINGTON, VA
LOCATION.--Latitude 3748'10", Longitude 8002'50", North American Datum of 1927,
                    Alleghany County, VA, Hydrologic Unit 02080201.
DRAINAGE AREA.--162 square miles.
PERIOD OF RECORD.--October 1928 to current year. Monthly discharge only for some periods, published in WSP 1303.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Occasional diurnal fluctuation caused by the draining or filling of small dam located 7.9 miles upstream from the station.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
02013000 plot. 
DUNLAP CREEK NEAR COVINGTON, VA
Provisional Data Subject to Revision

                    

The current daily value for 02/23/2017 is 68.0 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily


      Duration Table of Daily Streamflow
           
Flow values in cubic feet per second


                02013000     DUNLAP CREEK NEAR COVINGTON, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
14.0
25.0
36.0
70.0
120
246
502
800
10,400
 
87
February
16.0
36.0
54.0
91.0
168
304
582
913
6,080
 
87
March
22.0
61.9
90.0
138
218
392
818
1,340
7,020
 
87
April
37.0
65.6
80.0
106
162
298
579
919
7,100
 
87
May
22.0
43.0
50.0
72.0
114
222
439
668
8,090
 
87
June
12.0
22.0
25.0
32.0
48.0
87.0
208
351
10,200
 
87
July
9.10
15.0
17.0
21.0
30.0
45.0
80.0
120
3,100
 
87
August
9.00
12.0
14.0
17.0
24.0
38.0
66.0
117
6,420
 
87
September
7.00
11.0
13.0
15.0
20.0
30.0
59.0
121
5,560
 
87
October
10.0
14.0
16.0
19.0
25.0
43.0
97.2
180
2,900
 
87
November
11.0
17.0
19.0
23.0
38.0
87.0
213
363
6,460
 
87
December
10.0
19.0
23.0
37.5
80.0
172
350
591
5,270
 
87
 
       
Instantaneous minimum flow for period of record = 2.00 cubic feet per second.

The current daily value for 02/23/2017 is 68.0 cubic feet per second.

---- Provisional Data Subject to Revision ----

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