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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02015700 BULLPASTURE RIVER AT WILLIAMSVILLE, VA
LOCATION.--Latitude 38°11'43", Longitude 79°34'14", North American Datum of 1927,
                    Bath County, VA, Hydrologic Unit 02080201.
DRAINAGE AREA.--110 square miles.
PERIOD OF RECORD.--August 1960 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 02015700 plot. BULLPASTURE RIVER AT WILLIAMSVILLE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 08/27/2008 is 42.29 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


                02015700     BULLPASTURE RIVER AT WILLIAMSVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
28.9
40.1
48.9
77.0
128
224
411
553
1,640
 
47
February
27.3
55.6
63.9
91.7
141
232
446
634
1,000
 
47
March
49.1
71.8
88.2
142
218
377
666
833
1,270
 
47
April
45.7
71.3
80.3
106
171
289
483
679
1,340
 
47
May
49.0
61.0
69.2
94.7
142
233
374
505
1,110
 
47
June
30.1
39.9
44.0
55.9
80.1
147
301
434
1,130
 
47
July
25.6
30.7
34.8
41.6
52.9
74.6
110
162
943
 
47
August
24.3
28.0
30.7
35.3
45.0
67.7
106
173
816
 
47
September
22.3
28.1
29.9
33.6
40.4
55.9
141
236
1,300
 
48
October
26.7
30.1
32.0
35.6
45.1
86.4
163
265
744
 
47
November
29.6
34.7
37.1
43.8
69.0
128
258
378
2,750
 
47
December
27.3
34.4
39.2
64.7
108
213
357
473
1,410
 
47
 
       

The current 7-day running-average value for 08/27/2008 is 42.29 cubic feet per second.

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

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