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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
01631000 SOUTH FORK SHENANDOAH RIVER AT FRONT ROYAL, VA
LOCATION.--Latitude 38°54'50", Longitude 78°12'40", North American Datum of 1927,
                    Warren County, VA, Hydrologic Unit 02070005.
DRAINAGE AREA.--1,634 square miles.
PERIOD OF RECORD.--June 1899 to September 1906, October 1930 to current year. Monthly discharge only for some periods, published in WSP 1302.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Flow at low and medium stages is regulated by operation of powerplants above station prior to 1954, occasional large diurnal fluctuation thereafter.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01631000 plot. SOUTH FORK SHENANDOAH RIVER AT FRONT ROYAL, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 631.36 cubic feet per second.

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


                01631000     SOUTH FORK SHENANDOAH RIVER AT FRONT ROYAL, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
269
408
466
770
1,420
2,290
3,110
3,900
8,550
 
85
February
253
444
628
1,020
1,690
2,690
3,630
4,350
11,200
 
85
March
308
674
903
1,350
2,190
3,080
4,420
5,730
11,500
 
85
April
481
917
1,150
1,560
2,210
3,400
4,840
6,220
11,200
 
85
May
520
754
890
1,230
1,790
2,700
4,000
4,810
8,340
 
85
June
370
567
671
893
1,340
2,040
2,710
3,500
6,950
 
85
July
245
380
448
598
782
1,050
1,700
2,430
8,560
 
85
August
226
304
360
463
623
951
1,460
1,860
7,470
 
85
September
206
309
339
428
550
999
1,910
2,720
10,200
 
85
October
216
319
347
412
571
1,100
2,380
3,730
10,300
 
84
November
233
311
387
453
638
1,470
2,370
3,080
10,700
 
85
December
233
349
403
565
1,090
1,770
2,950
4,110
10,800
 
85
 
       

The current 28-day running-average value for 03/22/2017 is 631.36 cubic feet per second.

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

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