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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
03478400 BEAVER CREEK AT BRISTOL, VA
LOCATION.--Latitude 36°37'54", Longitude 82°08'02", North American Datum of 1927,
                    Bristol City, VA, Hydrologic Unit 06010102.
DRAINAGE AREA.--26.9 square miles.
PERIOD OF RECORD.--July 1957 to current year. Published as "near Bristol" prior to October 1974.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Some small diurnal fluctuation at low flow caused by plant upstream.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03478400 plot. BEAVER CREEK AT BRISTOL, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 42.25 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


                03478400     BEAVER CREEK AT BRISTOL, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
8.19
10.8
13.3
22.2
37.2
49.0
61.6
68.2
156
 
58
February
8.76
18.2
23.9
33.4
41.4
57.6
76.6
94.6
131
 
58
March
14.7
22.3
28.5
38.3
51.8
67.6
86.9
101
144
 
58
April
16.6
22.6
27.9
36.4
51.5
69.0
90.7
105
142
 
58
May
14.5
19.1
22.1
30.0
39.9
52.0
67.4
83.8
137
 
58
June
10.9
14.6
17.4
23.4
30.5
44.6
55.6
64.1
138
 
58
July
9.93
12.6
14.6
19.0
25.1
34.0
44.0
48.6
76.5
 
58
August
8.12
12.2
13.2
16.1
20.5
28.3
46.0
54.8
77.6
 
58
September
7.92
10.3
11.1
13.0
17.1
21.4
31.2
36.4
64.4
 
58
October
6.14
8.76
10.1
12.4
15.0
19.2
32.5
38.0
104
 
57
November
7.17
8.95
10.1
12.1
15.6
21.2
30.1
39.6
67.8
 
58
December
7.54
9.97
11.2
13.8
19.6
36.7
50.5
57.0
137
 
58
 
       

The current 28-day running-average value for 03/22/2017 is 42.25 cubic feet per second.

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

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