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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 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 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 03/22/2017 is 141.57 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
26.2
42.8
84.6
163
296
492
623
1,460
 
87
February
16.6
40.8
66.8
106
222
385
578
756
1,340
 
87
March
23.3
68.5
109
183
284
497
754
931
1,500
 
87
April
46.8
78.5
96.7
141
238
418
681
788
1,720
 
87
May
27.9
50.3
62.1
95.8
171
309
489
627
1,330
 
87
June
16.6
27.7
31.2
40.5
69.2
161
311
478
1,190
 
87
July
11.7
16.8
18.6
23.9
34.1
55.1
97.4
154
1,190
 
87
August
10.6
14.0
15.4
19.5
27.9
46.4
86.5
170
859
 
87
September
8.64
12.0
13.6
16.0
21.1
34.5
70.6
130
861
 
87
October
11.1
13.8
15.3
18.5
25.0
52.8
115
246
815
 
86
November
13.0
17.2
18.9
23.9
39.3
99.0
271
389
1,020
 
87
December
13.5
20.0
23.9
40.8
99.6
211
344
509
1,230
 
87
 
       

The current 14-day running-average value for 03/22/2017 is 141.57 cubic feet per second.

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

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