USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
01628500 SOUTH FORK SHENANDOAH RIVER NEAR LYNNWOOD, VA
LOCATION.--Latitude 38°19'21", Longitude 78°45'18", North American Datum of 1927,
                    Rockingham County, VA, Hydrologic Unit 02070005.
DRAINAGE AREA.--1,079 square miles.
PERIOD OF RECORD.--September 1930 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Diurnal fluctuation at low flow prior to 1960 caused by mill at Lynnwood and since by irrigation during summer months.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01628500 plot. SOUTH FORK SHENANDOAH RIVER NEAR LYNNWOOD, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 392.68 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


                01628500     SOUTH FORK SHENANDOAH RIVER NEAR LYNNWOOD, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
152
228
271
492
977
1,520
2,010
2,570
5,310
 
85
February
146
262
409
643
1,130
1,750
2,430
2,810
7,260
 
85
March
166
471
577
895
1,480
2,010
2,870
3,650
7,010
 
85
April
310
542
714
986
1,440
2,220
3,290
3,890
6,450
 
85
May
320
479
565
777
1,120
1,770
2,570
3,020
5,640
 
85
June
201
357
416
592
859
1,310
1,890
2,220
3,840
 
85
July
129
239
286
377
511
693
1,120
1,810
4,970
 
85
August
131
189
238
305
401
624
1,080
1,370
3,140
 
85
September
106
191
208
260
352
636
1,320
1,930
6,190
 
85
October
119
193
206
254
348
726
1,560
2,480
6,220
 
84
November
124
192
224
270
409
928
1,580
2,050
7,250
 
85
December
144
199
232
325
675
1,150
2,070
2,680
7,040
 
85
 
       

The current 28-day running-average value for 03/22/2017 is 392.68 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_28/dp01628500.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 6/19/2016