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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-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 14-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 14-day running-average value for 03/22/2017 is 522.93 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 14-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
81.3
135
185
346
557
810
1,140
1,440
2,570
 
84
February
90.3
216
284
452
720
1,040
1,360
1,560
4,830
 
84
March
171
350
421
563
750
1,020
1,400
1,670
2,840
 
84
April
170
294
362
481
697
946
1,260
1,670
2,800
 
84
May
122
222
270
373
528
752
1,010
1,170
1,930
 
84
June
108
156
180
227
325
517
737
895
1,740
 
84
July
75.4
119
137
179
239
357
545
730
1,980
 
84
August
82.4
103
115
146
202
298
534
780
1,990
 
84
September
65.9
84.9
92.1
111
149
209
336
423
1,390
 
84
October
65.8
80.3
87.6
103
139
216
385
579
1,600
 
83
November
66.5
88.5
96.9
126
183
329
533
691
2,050
 
84
December
83.2
107
133
200
332
627
871
988
2,060
 
84
 
       

The current 14-day running-average value for 03/22/2017 is 522.93 cubic feet per second.

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

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