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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01666500 plot. ROBINSON RIVER NEAR LOCUST DALE, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 03/22/2017 is 102.29 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 14-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
32.1
66.0
83.2
141
212
324
475
571
1,230
 
72
February
35.9
82.8
101
151
234
335
511
671
1,670
 
72
March
46.7
115
142
199
279
381
599
815
1,560
 
72
April
79.5
110
133
178
253
407
608
746
1,290
 
72
May
50.2
99.6
110
146
217
315
468
580
1,090
 
72
June
29.1
49.2
68.8
108
159
238
373
602
2,330
 
72
July
12.7
26.7
36.5
58.1
100
164
241
353
2,750
 
72
August
3.07
17.1
24.0
42.3
82.6
139
250
368
2,180
 
72
September
2.94
15.5
22.6
35.6
63.5
138
314
559
2,120
 
73
October
6.89
19.6
24.5
47.4
82.3
196
368
649
1,620
 
72
November
20.6
39.6
49.6
71.4
120
238
416
587
2,390
 
72
December
31.2
57.1
68.3
115
186
293
497
638
1,030
 
72
 
       

The current 14-day running-average value for 03/22/2017 is 102.29 cubic feet per second.

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

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