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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
02011500 BACK CREEK NEAR MOUNTAIN GROVE, VA
LOCATION.--Latitude 3804'10", Longitude 7953'50", North American Datum of 1927,
                    Bath County, VA, Hydrologic Unit 02080201.
DRAINAGE AREA.--134 square miles.
PERIOD OF RECORD.--October 1951 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--October 1951 to October 1984.
REGULATION.--Flows regulated since October 1984 by Back Creek Lake 11.3 miles upstream and since January 1985 by Little Back Creek 14.4 miles upstream.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
02011500 plot. 
BACK CREEK NEAR MOUNTAIN GROVE, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 361.0 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily


      Duration Table of Daily Streamflow
           
Flow values in cubic feet per second


                02011500     BACK CREEK NEAR MOUNTAIN GROVE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
8.80
17.0
32.0
70.0
138
272
515
818
5,860
 
33
February
15.0
44.7
63.0
96.0
177
352
660
1,050
5,220
 
33
March
36.0
67.0
100
159
275
486
895
1,430
6,670
 
33
April
34.0
71.0
84.0
126
204
354
619
831
6,100
 
33
May
20.0
44.2
54.4
81.0
134
254
488
756
2,840
 
33
June
6.70
18.0
22.1
33.0
62.0
128
246
391
5,340
 
33
July
4.00
7.92
10.0
16.0
29.0
54.0
92.4
132
4,370
 
33
August
1.50
5.40
7.10
12.0
20.0
39.0
88.6
155
4,920
 
33
September
2.40
4.20
5.40
8.50
14.0
25.0
58.0
110
1,750
 
33
October
4.20
6.80
7.50
11.0
20.0
53.0
154
302
5,330
 
33
November
6.60
9.31
11.0
19.0
51.0
106
280
406
1,660
 
33
December
9.40
15.0
19.0
46.0
113
225
464
766
7,110
 
33
 
       
Instantaneous minimum flow for period of record = 1.50 cubic feet per second.

The current daily value for 03/22/2017 is 361.0 cubic feet per second.

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

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