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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02015700 plot. BULLPASTURE RIVER AT WILLIAMSVILLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 10/11/2008 is 35.96 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


                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
32.0
44.7
56.3
98.1
158
237
309
413
717
 
47
February
32.5
56.1
66.4
109
164
254
347
415
732
 
47
March
57.8
79.7
99.3
152
246
364
484
539
711
 
47
April
59.7
79.0
98.6
153
229
363
480
567
767
 
47
May
57.9
74.7
85.1
120
186
271
349
427
664
 
47
June
34.5
49.4
55.7
78.1
125
231
290
339
520
 
47
July
26.3
34.8
39.2
46.7
61.7
96.0
192
271
509
 
47
August
25.8
30.5
32.4
37.7
51.1
72.8
117
151
319
 
47
September
25.2
28.6
31.5
35.8
44.5
62.6
144
212
458
 
48
October
28.4
31.0
32.8
36.1
46.4
96.3
200
254
461
 
47
November
29.9
34.4
37.0
44.0
68.2
134
216
294
834
 
47
December
31.8
36.1
46.2
67.4
120
199
277
410
831
 
47
 
       

The current 28-day running-average value for 10/11/2008 is 35.96 cubic feet per second.

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

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