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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02011500 BACK CREEK NEAR MOUNTAIN GROVE, VA
LOCATION.--Latitude 38°04'10", Longitude 79°53'50", 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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision
02011500 plot. 
BACK CREEK NEAR MOUNTAIN GROVE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 216.29 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


                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
9.46
16.2
32.3
77.9
164
332
606
790
1,940
 
33
February
15.7
48.5
67.9
114
210
378
752
982
1,490
 
33
March
39.0
71.6
104
193
330
581
1,020
1,290
2,090
 
33
April
36.6
79.7
96.2
152
235
403
606
786
2,110
 
33
May
23.6
50.9
63.8
95.3
157
299
559
692
1,060
 
33
June
8.04
21.6
27.0
38.7
74.2
161
319
590
1,380
 
33
July
4.47
9.43
11.8
18.0
31.9
61.4
100
169
1,150
 
33
August
2.26
6.61
8.25
13.0
22.6
46.4
97.6
154
1,290
 
33
September
2.54
4.47
5.90
8.75
15.4
26.3
67.7
95.5
655
 
33
October
3.80
6.90
7.68
10.8
22.3
61.9
185
404
1,290
 
32
November
6.26
9.44
11.1
19.3
53.9
115
264
378
720
 
33
December
10.0
15.9
20.1
50.7
137
278
484
668
2,130
 
33
 
       

The current 7-day running-average value for 03/22/2017 is 216.29 cubic feet per second.

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

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