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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02011460 BACK CREEK NEAR SUNRISE, VA
LOCATION.--Latitude 38°14'43", Longitude 79°46'08", North American Datum of 1927,
                    Bath County, VA, Hydrologic Unit 02080201
DRAINAGE AREA.--60.9 square miles.
PERIOD OF RECORD.--June 1974 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--No known regulation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02011460 plot. BACK CREEK NEAR SUNRISE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 08/28/2008 is 7.47 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


                02011460     BACK CREEK NEAR SUNRISE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
3.84
12.4
18.9
40.6
84.9
165
294
392
1,130
 
33
February
12.3
26.1
32.4
50.3
94.5
168
275
408
699
 
33
March
14.6
42.3
52.7
87.3
156
251
420
532
849
 
33
April
21.3
38.6
44.4
66.5
109
188
308
406
681
 
33
May
15.3
23.3
30.9
49.5
88.1
166
274
348
904
 
33
June
4.61
9.89
12.3
18.7
37.1
90.8
168
253
486
 
33
July
1.60
5.57
7.69
11.6
19.6
34.1
65.3
93.7
386
 
33
August
1.04
3.83
4.54
6.83
12.3
24.4
62.5
118
277
 
34
September
1.57
2.61
3.35
5.15
7.85
20.8
63.8
126
548
 
34
October
2.41
3.50
4.19
5.87
12.0
38.6
107
185
641
 
33
November
2.64
3.94
5.98
14.9
41.2
92.9
170
233
1,750
 
33
December
3.63
11.6
20.0
33.4
73.9
152
234
285
776
 
33
 
       

The current 7-day running-average value for 08/28/2008 is 7.47 cubic feet per second.

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

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