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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02013000 plot. DUNLAP CREEK NEAR COVINGTON, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 08/28/2008 is 13.71 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 14-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
17.1
25.5
42.5
85.7
166
303
498
636
1,460
 
79
February
16.6
39.8
67.6
109
233
392
587
764
1,340
 
79
March
23.3
69.0
111
182
286
496
746
938
1,500
 
79
April
46.8
76.1
93.8
138
233
421
682
780
1,720
 
79
May
27.9
49.3
60.7
91.8
162
295
480
620
1,330
 
79
June
16.6
28.0
31.7
40.7
69.1
160
313
486
1,190
 
79
July
11.7
16.6
18.6
24.6
34.6
54.1
94.5
151
1,190
 
79
August
10.6
14.4
16.0
20.1
28.1
47.9
95.8
174
859
 
79
September
8.64
12.4
14.2
16.4
21.4
36.2
83.7
134
861
 
79
October
11.1
14.2
15.8
19.3
26.2
54.1
132
253
815
 
78
November
14.0
17.6
19.6
24.9
42.3
106
274
388
1,020
 
79
December
14.1
20.9
24.2
41.2
99.4
209
334
505
1,230
 
79
 
       

The current 14-day running-average value for 08/28/2008 is 13.71 cubic feet per second.

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

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