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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 2015.
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 03/22/2017 is 94.86 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
41.3
49.4
75.8
127
221
393
546
1,640
 
55
February
27.3
56.4
64.9
91.9
136
223
434
611
1,000
 
55
March
49.1
71.2
89.1
142
219
374
662
825
1,270
 
55
April
45.7
72.6
81.6
108
176
294
491
679
1,340
 
55
May
49.0
62.9
71.1
99.6
156
254
412
554
1,140
 
55
June
30.1
40.7
45.0
57.3
82.1
142
292
434
1,130
 
55
July
25.6
31.3
35.7
42.3
52.7
75.0
115
171
943
 
55
August
24.3
28.4
31.1
36.0
45.4
65.3
98.7
154
816
 
55
September
22.3
28.4
29.9
33.6
40.1
55.0
135
236
1,300
 
56
October
26.7
30.1
32.0
35.6
43.4
80.2
151
241
744
 
55
November
29.6
34.2
36.6
41.8
64.3
118
235
358
2,750
 
55
December
27.3
35.3
39.7
64.6
111
220
371
484
1,410
 
55
 
       

The current 7-day running-average value for 03/22/2017 is 94.86 cubic feet per second.

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

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