USGS - science for a changing world
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 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 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 08/27/2008 is 7.09 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
2.22
6.74
9.27
19.0
37.9
75.0
107
153
261
 
49
February
5.07
10.7
14.7
26.6
49.1
90.7
137
171
418
 
49
March
9.73
17.6
22.8
34.0
62.7
115
181
238
393
 
49
April
7.58
13.9
16.4
25.0
44.5
91.1
154
182
505
 
49
May
7.67
10.9
12.6
17.0
28.9
60.6
101
132
417
 
49
June
3.78
6.55
7.54
12.2
20.1
41.6
91.1
129
712
 
49
July
1.22
4.17
5.17
7.38
13.1
23.2
42.2
77.3
761
 
48
August
0.64
2.94
3.94
5.82
10.3
21.0
43.9
72.7
274
 
48
September
0.32
2.29
3.12
4.82
9.19
18.5
44.3
76.8
416
 
48
October
1.31
3.01
3.41
5.19
9.74
23.9
64.1
98.7
423
 
48
November
2.29
4.24
5.51
7.84
13.5
39.2
86.4
126
273
 
49
December
2.69
4.91
5.97
11.9
29.8
66.0
130
170
337
 
49
 
       

The current 14-day running-average value for 08/27/2008 is 7.09 cubic feet per second.

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

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://va.water.usgs.gov/duration_plots/htm_14/dp01615000.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 8/6/2008