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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 2007.
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 08/28/2008 is 14.57 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
24.4
39.4
81.0
144
295
565
760
2,270
 
79
February
15.7
36.2
60.4
103
208
376
672
881
2,240
 
79
March
22.4
61.6
97.7
158
258
492
854
1,120
2,240
 
79
April
40.7
68.1
84.7
119
187
363
673
944
2,050
 
79
May
24.4
45.7
54.7
80.0
130
266
474
714
1,720
 
79
June
15.1
25.0
28.3
35.9
55.9
111
290
457
2,220
 
79
July
10.2
15.7
17.9
22.4
32.3
49.6
87.5
131
793
 
79
August
9.29
13.7
15.3
18.7
26.7
43.1
86.6
161
1,560
 
79
September
7.57
12.0
13.4
15.9
21.1
33.5
70.9
151
1,170
 
79
October
10.9
14.1
15.9
19.4
25.4
52.1
120
237
1,250
 
78
November
14.0
17.4
19.4
25.0
41.1
98.1
252
421
1,950
 
79
December
10.3
20.2
24.0
39.9
88.6
200
377
527
1,930
 
79
 
       

The current 7-day running-average value for 08/28/2008 is 14.57 cubic feet per second.

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

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