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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01666500 ROBINSON RIVER NEAR LOCUST DALE, VA
LOCATION.--Latitude 3819'30", Longitude 7805'45", North American Datum of 1927,
                    Madison County, VA, Hydrologic Unit 02080103.
DRAINAGE AREA.--179 square miles.
PERIOD OF RECORD.--July 1943 to current year. Prior to October 1965, published as Robertson River near Locust Dale.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Low flow regulated by powerplant about 11 miles above station and at mill about 14 miles above station in prior years.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
01666500 plot. 
ROBINSON RIVER NEAR LOCUST DALE, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 113.0 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


                01666500     ROBINSON RIVER NEAR LOCUST DALE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
30.0
63.0
80.0
123
190
292
459
632
6,760
 
72
February
37.0
81.0
100
147
214
303
465
661
5,350
 
72
March
43.0
108
129
178
250
375
589
829
6,120
 
72
April
72.0
105
120
157
224
340
525
698
5,070
 
72
May
42.0
82.0
95.0
127
187
275
421
590
5,950
 
72
June
17.0
39.0
52.1
82.0
126
193
330
503
14,700
 
72
July
8.40
19.0
26.6
47.0
84.0
136
226
363
2,920
 
72
August
2.00
12.0
18.0
35.0
64.0
116
213
350
14,000
 
73
September
1.80
12.0
19.0
30.0
58.0
115
292
481
11,400
 
73
October
2.60
18.0
26.0
44.0
76.0
168
323
511
11,600
 
72
November
20.0
38.0
47.0
70.0
117
211
387
589
10,400
 
72
December
25.0
51.6
66.0
103
170
268
450
651
4,970
 
72
 
       
Instantaneous minimum flow for period of record = 1.20 cubic feet per second.

The current daily value for 03/22/2017 is 113.0 cubic feet per second.

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

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