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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02079640 ALLEN CREEK NEAR BOYDTON, VA
LOCATION.--Latitude 36°40'46", Longitude 78°19'37", North American Datum of 1927,
                    Mecklenburg County, VA, Hydrologic Unit 03010106
DRAINAGE AREA.--53.5 square miles.
PERIOD OF RECORD.--October 1961 to September 1996, October 2000 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--No known regulation.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02079640 plot. ALLEN CREEK NEAR BOYDTON, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 11/17/2008 is 4.13 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


                02079640     ALLEN CREEK NEAR BOYDTON, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
1.57
6.31
11.6
22.1
39.2
87.8
166
267
585
 
42
February
3.97
13.2
16.9
28.7
49.1
96.0
160
221
757
 
42
March
3.63
13.4
18.6
28.3
55.0
108
220
339
722
 
42
April
7.10
11.1
13.4
19.3
32.9
76.4
164
251
966
 
42
May
3.50
7.39
8.77
12.0
19.4
34.6
71.1
135
949
 
42
June
0.29
3.53
4.67
7.50
12.3
25.7
71.3
136
603
 
42
July
0.00
0.96
1.89
3.46
7.46
14.9
30.4
60.4
684
 
42
August
0.00
0.29
0.89
2.14
5.27
13.4
36.8
70.7
181
 
42
September
0.00
0.01
0.29
1.23
3.14
9.08
26.3
66.2
636
 
42
October
0.00
0.17
0.75
2.03
5.57
14.9
55.4
96.7
759
 
42
November
0.16
1.67
2.59
4.73
10.6
33.9
90.3
146
413
 
42
December
1.43
3.17
5.63
13.5
26.5
56.9
112
155
347
 
42
 
       

The current 7-day running-average value for 11/17/2008 is 4.13 cubic feet per second.

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

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