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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02013000 DUNLAP CREEK NEAR COVINGTON, VA
LOCATION.--Latitude 37°48'10", Longitude 80°02'50", 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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02013000 plot. DUNLAP CREEK NEAR COVINGTON, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 183.29 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-Day Average 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
15.3
25.3
39.0
79.6
141
289
559
757
2,270
 
87
February
15.7
36.9
59.4
99.5
194
364
657
877
2,240
 
87
March
22.4
61.8
97.4
160
258
490
866
1,120
2,240
 
87
April
40.7
70.7
86.0
120
192
370
684
926
2,050
 
87
May
24.4
46.7
56.0
82.9
138
276
496
726
2,230
 
87
June
15.1
24.8
28.0
35.6
55.5
112
280
445
2,220
 
87
July
10.2
15.9
17.8
21.9
31.7
50.0
91.5
134
793
 
87
August
9.29
13.1
14.9
18.3
26.3
41.8
81.3
144
1,560
 
87
September
7.57
11.4
13.1
15.6
20.4
31.7
66.0
142
1,170
 
87
October
10.9
13.8
15.6
18.7
24.7
49.0
117
214
1,250
 
86
November
12.1
17.0
18.7
23.7
38.3
94.6
246
416
1,950
 
87
December
10.3
19.3
23.7
39.5
89.7
203
390
550
1,930
 
87
 
       

The current 7-day running-average value for 03/22/2017 is 183.29 cubic feet per second.

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

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