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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 38°19'30", Longitude 78°05'45", 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 2007.
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 08/28/2008 is 192 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
62.0
82.0
129
193
299
475
644
6,760
 
64
February
37.0
80.0
106
150
216
306
482
699
5,350
 
64
March
43.0
111
131
179
247
373
589
824
6,120
 
64
April
72.0
103
119
156
221
342
534
718
5,070
 
64
May
42.0
81.0
93.0
122
185
270
420
575
5,570
 
64
June
17.0
38.0
49.0
78.0
124
191
332
512
14,700
 
64
July
8.40
18.3
25.0
46.0
84.0
137
236
371
2,920
 
64
August
2.00
12.0
17.0
34.5
67.0
122
225
374
14,000
 
65
September
1.80
12.0
19.0
30.0
62.0
122
305
506
11,400
 
65
October
2.60
19.0
26.0
44.0
77.0
172
322
527
11,600
 
64
November
20.0
39.0
48.0
69.0
121
218
407
615
10,400
 
64
December
25.0
53.0
64.0
103
168
263
450
644
4,970
 
64
 
       
Instantaneous minimum flow for period of record = 1.20 cubic feet per second.

The current daily value for 08/28/2008 is 192 cubic feet per second.

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

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