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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01616500 OPEQUON CREEK NEAR MARTINSBURG, WV
LOCATION.--Latitude 39°25'25", Longitude 77°56'20", North American Datum of 1927
                    Berkeley County, W. Va., Hydrologic Unit 02070004.
DRAINAGE AREA.--273 square miles.
PERIOD OF RECORD.--May 1905 to July 1906, July 1947 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Some diurnal fluctuation at low flow caused by upstream mills in Virginia and since July 18, 1988, by wastewater treatment plant, downstream from Opequon Creek near Berryville, Va (01615000); drainage area 58.2 mi2.
GAGE OPERATION.--U.S. Geological Survey, West Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 01616500 plot. OPEQUON CREEK NEAR MARTINSBURG, WV
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 244.0 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


                01616500     OPEQUON CREEK NEAR MARTINSBURG, WV

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
30.0
52.0
66.0
105
189
305
523
803
15,000
 
68
February
30.0
66.0
89.0
142
222
360
642
900
8,000
 
68
March
43.0
98.0
125
184
298
496
859
1,320
8,730
 
68
April
69.0
106
129
177
255
402
680
996
8,470
 
68
May
64.0
96.0
108
135
197
323
526
742
8,730
 
68
June
38.0
73.0
85.0
109
151
217
334
520
8,890
 
68
July
32.0
57.0
68.0
86.0
113
152
220
295
3,450
 
68
August
29.0
49.0
54.0
73.0
92.0
122
198
313
5,920
 
69
September
26.0
44.0
48.0
62.8
78.0
111
189
335
8,720
 
69
October
26.0
39.0
46.0
60.0
78.0
124
295
431
5,300
 
68
November
28.0
45.0
50.0
63.0
90.0
194
333
493
5,410
 
68
December
27.0
48.0
55.0
75.0
158
290
510
737
5,390
 
68
 
       
Instantaneous minimum flow for period of record = 25.0 cubic feet per second.

The current daily value for 03/22/2017 is 244.0 cubic feet per second.

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

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