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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02074500 SANDY RIVER NEAR DANVILLE, VA
LOCATION.--Latitude 36°37'10", Longitude 79°30'16", North American Datum of 1927,
                    Pittsylvania County, VA, Hydrologic Unit 03010103
DRAINAGE AREA.--111 square miles.
PERIOD OF RECORD.--October 1929 to current year. Monthly discharge only for some periods, published in WSP 1303.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Diurnal fluctuation at low flow cause by small mill.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02074500 plot. SANDY RIVER NEAR DANVILLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 66.5 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


                02074500     SANDY RIVER NEAR DANVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
31.6
47.2
59.1
76.9
110
158
209
261
431
 
86
February
31.9
57.2
63.2
86.3
122
169
234
287
481
 
86
March
40.7
66.6
79.6
94.4
125
190
275
344
806
 
86
April
41.5
66.0
75.9
93.7
125
184
272
346
837
 
86
May
40.3
57.6
63.2
75.6
101
140
213
254
637
 
86
June
22.3
43.9
50.2
61.9
86.5
109
147
191
396
 
86
July
15.3
29.8
34.1
47.1
68.7
87.4
129
177
465
 
86
August
10.1
22.3
28.9
38.2
57.7
84.2
142
186
610
 
86
September
11.1
17.8
24.2
33.9
50.7
82.4
152
249
882
 
86
October
14.4
21.1
25.2
38.0
52.1
84.6
173
230
653
 
85
November
19.4
30.0
35.4
46.9
61.0
93.8
155
195
388
 
86
December
26.7
37.2
44.9
60.9
82.7
119
174
218
345
 
86
 
       

The current 28-day running-average value for 03/22/2017 is 66.5 cubic feet per second.

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

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