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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02011500 plot. BACK CREEK NEAR MOUNTAIN GROVE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 111.46 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


                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
10.4
17.4
34.7
106
226
323
437
526
1,000
 
33
February
14.5
65.5
95.5
160
264
386
516
560
689
 
33
March
62.4
105
154
235
359
548
733
785
1,060
 
33
April
56.8
135
165
230
358
508
642
764
1,040
 
33
May
45.8
88.7
101
141
223
353
447
485
566
 
33
June
12.2
34.6
42.4
80.2
144
262
379
433
649
 
33
July
7.35
11.9
18.4
26.2
51.6
94.5
161
237
694
 
33
August
5.55
8.76
10.4
16.3
26.6
60.3
94.9
167
448
 
33
September
4.05
6.21
6.93
12.9
19.4
32.5
62.3
162
437
 
33
October
4.09
6.48
7.51
12.2
27.3
56.4
145
285
553
 
32
November
7.31
9.11
10.7
18.0
61.6
136
227
286
602
 
33
December
10.5
18.3
20.0
50.7
146
235
340
416
748
 
33
 
       

The current 28-day running-average value for 03/22/2017 is 111.46 cubic feet per second.

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

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