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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
01634000 NORTH FORK SHENANDOAH RIVER NEAR STRASBURG, VA
LOCATION.--Latitude 38°58'36", Longitude 78°20'11", North American Datum of 1927,
                    Warren County, VA, Hydrologic Unit 02070006.
DRAINAGE AREA.--770 square miles.
PERIOD OF RECORD.--April 1925 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Large diurnal fluctuation at low and medium flow caused by a hydroelectric plant upstream, and from other unknown sources.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01634000 plot. NORTH FORK SHENANDOAH RIVER NEAR STRASBURG, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 341.14 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-Day Average Streamflow
            Flow values in cubic feet per second


                01634000     NORTH FORK SHENANDOAH RIVER NEAR STRASBURG, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
73.7
121
144
229
451
831
1,400
2,030
9,320
 
90
February
72.4
123
178
333
582
998
1,770
2,500
6,900
 
90
March
92.1
199
309
469
804
1,370
2,430
3,330
14,300
 
90
April
146
260
311
443
679
1,240
2,130
2,790
6,100
 
90
May
105
210
246
350
584
997
1,680
2,270
6,470
 
91
June
67.9
134
173
230
351
556
972
1,470
7,060
 
91
July
50.9
92.3
111
147
215
327
574
828
3,320
 
91
August
53.6
77.0
91.6
125
174
305
708
1,120
7,940
 
91
September
44.9
77.1
86.7
111
150
282
586
1,010
12,700
 
91
October
49.1
77.7
89.9
116
163
311
791
1,280
13,100
 
90
November
67.3
95.9
106
135
191
432
929
1,420
9,660
 
90
December
56.4
98.9
118
174
344
655
1,280
1,850
4,810
 
90
 
       

The current 7-day running-average value for 03/22/2017 is 341.14 cubic feet per second.

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

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