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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average 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 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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01666500 plot. ROBINSON RIVER NEAR LOCUST DALE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 97.46 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


                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
32.2
69.0
90.2
141
221
308
438
529
813
 
72
February
37.1
89.6
106
159
243
357
457
580
1,430
 
72
March
51.8
125
155
201
277
369
553
710
1,270
 
72
April
82.5
122
151
201
278
438
593
723
1,040
 
72
May
69.5
111
125
159
233
353
498
581
956
 
72
June
32.2
58.6
88.6
130
190
270
407
498
1,230
 
72
July
19.0
34.3
46.5
67.7
118
179
277
430
1,480
 
72
August
6.12
20.2
26.5
50.4
92.2
148
248
320
1,170
 
72
September
5.94
17.9
25.1
41.8
72.6
147
275
535
1,190
 
73
October
7.15
20.3
25.6
45.9
90.4
206
438
653
1,260
 
72
November
18.4
39.0
47.9
70.4
120
249
391
527
1,390
 
72
December
31.9
54.5
67.2
115
187
308
476
584
1,280
 
72
 
       

The current 28-day running-average value for 03/22/2017 is 97.46 cubic feet per second.

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

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