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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
03488000 NORTH FORK HOLSTON RIVER NEAR SALTVILLE, VA
LOCATION.--Latitude 36°53'48", Longitude 81°44'47", North American Datum of 1927,
                    Smyth County, VA, Hydrologic Unit 06010101.
DRAINAGE AREA.--221 square miles.
PERIOD OF RECORD.--June 1907 to December 1908 (published as "at Saltville"), October 1920 to current year. Monthly discharge only for some periods, published in WSP 1306.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03488000 plot. NORTH FORK HOLSTON RIVER NEAR SALTVILLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/21/2017 is 487.32 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


                03488000     NORTH FORK HOLSTON RIVER NEAR SALTVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
32.3
63.8
101
214
372
553
719
852
1,470
 
96
February
45.6
129
179
314
451
672
865
1,060
2,320
 
96
March
95.7
205
281
375
518
751
932
1,070
1,930
 
96
April
113
197
253
335
472
696
897
1,030
1,740
 
96
May
72.2
140
164
252
358
502
671
766
1,340
 
96
June
44.7
80.3
93.4
131
219
394
529
622
1,100
 
96
July
29.6
47.5
55.4
78.9
117
213
339
421
1,090
 
97
August
25.1
37.8
45.6
59.8
97.0
167
246
331
825
 
97
September
20.9
30.9
33.6
44.1
69.8
111
166
242
616
 
97
October
18.5
27.0
29.6
37.4
56.1
111
236
359
966
 
96
November
25.4
28.4
34.0
45.7
79.9
175
302
404
1,140
 
97
December
27.6
39.4
46.3
85.3
194
403
531
664
1,280
 
97
 
       

The current 28-day running-average value for 03/21/2017 is 487.32 cubic feet per second.

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

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