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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 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 2007 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 10/14/2008 is 16 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
8.49
15.2
28.0
50.0
107
197
1,680
 
50
February
2.90
9.92
13.0
21.0
36.0
70.0
150
235
2,970
 
50
March
8.20
13.0
17.0
25.0
40.0
77.0
168
293
1,740
 
50
April
6.40
12.0
14.0
19.0
30.0
56.0
116
206
1,780
 
50
May
2.90
9.00
10.0
13.0
22.0
40.0
81.0
155
2,610
 
50
June
2.70
5.50
6.40
9.00
15.0
24.0
52.0
110
4,670
 
50
July
0.80
3.20
4.10
6.30
9.90
16.0
34.0
59.0
1,900
 
49
August
0.40
2.70
3.30
5.10
8.20
15.0
31.0
61.0
1,950
 
49
September
0.20
1.90
2.60
4.20
7.85
14.0
30.1
67.6
2,730
 
49
October
1.10
2.50
3.20
5.20
8.70
18.0
42.0
74.2
2,550
 
50
November
2.10
3.90
4.99
6.80
11.0
27.0
68.0
147
2,190
 
50
December
1.90
4.50
5.60
9.80
23.0
47.8
98.0
171
1,870
 
50
 
       
Instantaneous minimum flow for period of record = 0.20 cubic feet per second.

The current daily value for 10/14/2008 is 16 cubic feet per second.

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

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