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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
03473000 SOUTH FORK HOLSTON RIVER NEAR DAMASCUS, VA
LOCATION.--Latitude 36°39'06", Longitude 81°50'39", North American Datum of 1927,
                    Washington County, VA, Hydrologic Unit 06010102.
DRAINAGE AREA.--303 square miles2.
PERIOD OF RECORD.--October 1931 to current year. Monthly discharge only for some periods, published in WSP 1306. Published as "at Vestal" prior to October 1978.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Some diurnal fluctuation at low flows by small dams above station.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03473000 plot. SOUTH FORK HOLSTON RIVER NEAR DAMASCUS, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 519.43 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


                03473000     SOUTH FORK HOLSTON RIVER NEAR DAMASCUS, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
79.4
129
181
327
509
824
1,230
1,620
4,360
 
84
February
87.9
213
275
409
663
1,040
1,490
1,810
6,040
 
84
March
160
317
384
506
726
1,020
1,530
1,970
4,130
 
84
April
153
268
324
439
622
924
1,280
1,640
3,920
 
84
May
109
208
250
337
482
699
1,050
1,300
3,160
 
84
June
95.3
142
167
212
295
456
712
951
1,980
 
84
July
67.6
112
131
169
230
333
509
702
3,140
 
84
August
68.7
98.2
110
138
192
280
494
756
3,350
 
84
September
61.9
79.6
86.1
107
138
198
302
442
2,200
 
84
October
62.1
79.0
85.7
102
137
213
380
563
1,990
 
83
November
65.9
88.2
97.7
127
190
333
572
745
3,310
 
84
December
82.0
106
133
196
332
646
973
1,200
2,500
 
84
 
       

The current 7-day running-average value for 03/22/2017 is 519.43 cubic feet per second.

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

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