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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-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 14-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 14-day running-average value for 03/21/2017 is 365.14 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


                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
28.9
60.4
97.1
210
353
572
877
1,090
2,090
 
96
February
32.5
117
159
267
445
714
995
1,220
3,850
 
96
March
85.1
171
240
330
498
729
1,090
1,330
2,600
 
96
April
84.7
152
191
275
407
591
940
1,220
1,990
 
96
May
48.5
109
140
199
306
484
702
845
1,520
 
96
June
35.8
62.9
74.3
101
169
315
552
695
1,800
 
96
July
24.9
42.3
51.6
67.7
101
176
284
375
1,140
 
97
August
23.2
35.3
39.9
53.8
84.9
154
270
368
1,300
 
97
September
19.4
27.5
30.5
38.9
59.1
96.3
146
207
905
 
97
October
17.4
26.1
28.4
36.4
53.6
104
246
374
1,360
 
96
November
24.1
29.6
34.7
47.4
84.6
189
340
448
1,760
 
97
December
26.6
39.0
47.4
93.6
208
415
645
800
2,020
 
97
 
       

The current 14-day running-average value for 03/21/2017 is 365.14 cubic feet per second.

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

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