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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01615000 OPEQUON CREEK NEAR BERRYVILLE, VA
LOCATION.--Latitude 3910'29", Longitude 7804'42", North American Datum of 1983,
                    Frederick County, VA, Hydrologic Unit 02070004.
DRAINAGE AREA.--58.2 square miles.
PERIOD OF RECORD.--October 1943 to September 1997, October 2002 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015 except July 1988 through September 1997.
REGULATION.--Wastewater treament plant inflows from July 1988 through September 1997.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
01615000 plot. 
OPEQUON CREEK NEAR BERRYVILLE, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 48.0 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


                01615000     OPEQUON CREEK NEAR BERRYVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
2.10
6.60
8.80
16.0
28.0
50.0
105
192
1,680
 
58
February
2.90
10.0
13.0
21.0
35.0
68.0
145
225
2,970
 
58
March
8.00
12.0
16.0
26.0
41.0
79.0
174
296
1,740
 
58
April
6.40
12.0
14.0
20.0
32.0
57.0
120
208
1,780
 
58
May
2.90
9.00
10.0
14.0
24.0
42.0
89.0
170
2,610
 
58
June
2.70
5.70
6.50
10.0
17.0
27.0
56.0
111
4,670
 
58
July
0.80
3.40
4.40
6.90
11.0
17.0
35.0
59.0
1,900
 
57
August
0.40
2.70
3.40
5.70
8.80
15.0
30.0
54.0
1,950
 
57
September
0.20
2.00
2.90
4.60
8.20
14.0
30.0
66.0
2,730
 
57
October
1.10
2.70
3.40
5.60
9.60
19.0
42.0
83.1
2,550
 
58
November
2.10
4.10
5.20
7.32
12.0
27.0
63.0
125
2,190
 
58
December
1.90
4.70
6.00
11.0
24.0
50.0
105
177
1,870
 
58
 
       
Instantaneous minimum flow for period of record = 0.20 cubic feet per second.

The current daily value for 03/22/2017 is 48.0 cubic feet per second.

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

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