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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03527000 plot. CLINCH RIVER AT SPEERS FERRY, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 1361.43 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-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
122
280
466
1,070
1,910
3,200
5,530
7,230
16,600
 
73
February
132
574
836
1,380
2,180
3,730
6,130
8,030
23,700
 
73
March
359
856
1,100
1,540
2,400
4,010
6,700
8,780
19,700
 
73
April
322
826
978
1,320
1,930
3,100
4,780
5,700
11,900
 
73
May
195
460
557
825
1,390
2,220
3,430
4,540
13,200
 
73
June
149
268
305
421
724
1,250
2,260
3,180
8,450
 
73
July
112
197
239
351
590
1,010
1,610
2,260
6,390
 
73
August
112
161
197
279
457
824
1,630
2,270
9,540
 
73
September
90.3
113
130
181
295
475
879
1,250
4,620
 
73
October
80.7
107
124
171
268
566
1,080
1,740
6,340
 
73
November
104
125
152
222
434
1,030
2,020
2,780
9,160
 
73
December
108
182
235
486
1,220
2,390
4,000
5,340
18,200
 
73
 
       

The current 7-day running-average value for 03/22/2017 is 1361.43 cubic feet per second.

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

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