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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
03527000 CLINCH RIVER AT SPEERS FERRY, VA
LOCATION.--Latitude 3638'55", Longitude 8245'02", North American Datum of 1927,
                    Scott County, VA, Hydrologic Unit 06010205.
DRAINAGE AREA.--1,123 square miles.
PERIOD OF RECORD.--October 1920 to September 1976, October 1978 to September 1981, October 2001 to current year.
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 Daily Streamflow Conditions
Provisional Data Subject to Revision
03527000 plot. 
CLINCH RIVER AT SPEERS FERRY, VA
Provisional Data Subject to Revision

                    

The current daily value for 02/25/2017 is 932.0 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily


      Duration Table of Daily Streamflow
           
Flow values in cubic feet per second


                03527000     CLINCH RIVER AT SPEERS FERRY, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
110
287
450
955
1,660
2,970
5,520
8,790
42,500
 
73
February
126
541
762
1,230
1,970
3,370
6,290
8,990
30,400
 
73
March
316
808
972
1,380
2,160
3,730
6,510
9,300
43,600
 
73
April
296
742
878
1,180
1,700
2,770
4,780
6,490
27,200
 
73
May
178
410
505
735
1,160
1,920
3,370
4,780
30,700
 
73
June
142
239
281
381
634
1,120
2,120
3,140
17,900
 
73
July
103
185
221
314
530
915
1,660
2,370
9,680
 
73
August
100
150
176
254
404
736
1,500
2,220
17,900
 
73
September
88.0
108
122
167
270
425
828
1,300
9,580
 
73
October
77.0
106
123
165
252
488
1,030
1,750
12,700
 
73
November
101
125
150
220
439
972
2,010
3,150
25,800
 
73
December
100
172
232
463
1,120
2,190
4,080
6,020
32,500
 
73
 
       
Instantaneous minimum flow for period of record = 42.0 cubic feet per second.

The current daily value for 02/25/2017 is 932.0 cubic feet per second.

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

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