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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02074500 plot. SANDY RIVER NEAR DANVILLE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 69.14 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-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
28.7
44.7
56.1
70.3
95.9
148
272
376
988
 
86
February
29.7
50.0
57.7
78.7
105
158
259
346
1,190
 
86
March
33.6
62.8
69.7
85.4
112
177
294
429
1,730
 
86
April
34.9
59.4
64.3
79.7
103
155
269
364
1,650
 
86
May
32.6
50.6
55.1
66.4
86.7
116
161
257
1,460
 
86
June
16.7
34.3
40.0
51.3
70.9
97.6
141
202
1,300
 
86
July
11.9
24.9
29.4
39.4
57.9
81.9
121
166
1,020
 
86
August
7.83
17.4
23.4
33.4
49.0
73.8
120
177
2,130
 
86
September
8.57
17.4
21.6
30.8
44.9
65.8
127
238
2,780
 
86
October
10.6
20.9
25.1
37.5
51.1
74.9
146
252
992
 
85
November
20.3
32.1
35.1
46.9
61.2
89.9
139
209
978
 
86
December
23.4
38.3
45.1
58.1
80.3
116
191
256
752
 
86
 
       

The current 7-day running-average value for 03/22/2017 is 69.14 cubic feet per second.

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

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