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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02011500 plot. BACK CREEK NEAR MOUNTAIN GROVE, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 08/27/2008 is 30.29 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 14-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
10.0
16.2
33.7
93.4
198
323
516
670
1,330
 
33
February
16.4
51.9
76.7
132
233
429
640
733
1,100
 
33
March
44.4
77.7
118
219
353
618
873
1,060
1,570
 
33
April
41.4
90.8
121
181
278
445
618
815
1,440
 
33
May
28.9
60.4
80.1
113
188
337
495
594
805
 
33
June
9.45
26.5
31.7
45.6
97.1
191
387
528
828
 
33
July
5.19
10.5
14.0
19.8
35.1
71.1
129
167
780
 
33
August
4.06
7.89
9.70
13.2
24.7
56.6
95.7
154
766
 
33
September
3.71
5.02
6.25
9.93
16.8
26.8
60.0
95.6
596
 
33
October
3.74
6.91
7.66
11.0
26.2
66.2
218
411
752
 
32
November
6.40
9.39
11.2
18.7
59.4
126
229
307
646
 
33
December
10.8
17.0
20.9
57.5
146
280
421
506
1,290
 
33
 
       

The current 14-day running-average value for 08/27/2008 is 30.29 cubic feet per second.

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

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