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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
03527000 CLINCH RIVER AT SPEERS FERRY, VA
LOCATION.--Latitude 36°38'55", Longitude 82°45'02", 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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03527000 plot. CLINCH RIVER AT SPEERS FERRY, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 2150.04 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


                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
161
279
562
1,250
2,170
3,050
3,890
4,970
8,070
 
73
February
208
676
1,030
1,760
2,540
3,640
5,000
6,290
10,500
 
73
March
448
1,130
1,440
2,000
2,690
4,200
5,540
6,230
9,890
 
73
April
513
1,160
1,420
1,830
2,530
3,510
4,700
5,280
9,660
 
73
May
357
688
849
1,300
1,860
2,590
3,360
3,990
6,790
 
73
June
221
339
428
616
1,010
1,760
2,470
2,900
4,970
 
73
July
161
241
281
430
711
1,090
1,820
2,040
3,680
 
73
August
130
217
244
359
593
1,030
1,660
2,020
4,020
 
73
September
108
145
170
235
384
676
1,120
1,410
3,750
 
73
October
88.0
116
129
192
299
581
1,050
1,500
2,550
 
71
November
95.7
125
149
211
396
949
1,630
2,070
3,080
 
73
December
115
186
229
471
1,100
2,340
3,010
3,350
7,820
 
73
 
       

The current 28-day running-average value for 03/22/2017 is 2150.04 cubic feet per second.

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

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