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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-Day Average Streamflow
 
01615000 OPEQUON CREEK NEAR BERRYVILLE, VA
LOCATION.--Latitude 39°10'29", Longitude 78°04'42", 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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01615000 plot. OPEQUON CREEK NEAR BERRYVILLE, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 03/22/2017 is 50 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


                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
1.03
3.69
4.94
10.2
24.4
57.8
106
149
583
 
52
February
1.43
4.73
6.50
11.2
24.2
53.3
109
155
415
 
50
March
0.77
4.49
6.54
10.4
24.4
62.2
118
159
723
 
51
April
0.51
4.17
5.73
11.4
25.2
72.2
135
170
388
 
50
May
0.34
4.26
5.65
10.6
23.4
52.6
103
148
483
 
51
June
0.56
4.54
6.06
11.0
25.8
56.6
128
161
587
 
51
July
1.01
3.57
5.09
10.4
25.6
57.8
107
160
712
 
51
August
2.06
3.99
5.69
10.3
24.6
48.7
98.2
141
416
 
46
September
1.37
4.34
5.70
10.0
24.0
54.6
102
142
451
 
53
October
1.20
4.40
6.23
10.4
23.0
54.8
109
169
642
 
52
November
0.32
4.08
5.45
9.63
18.1
47.9
102
158
735
 
47
December
0.45
3.73
5.78
10.6
23.3
53.2
118
175
761
 
48
 
       

The current 14-day running-average value for 03/22/2017 is 50 cubic feet per second.

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

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