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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
03175500 WOLF CREEK NEAR NARROWS, VA
LOCATION.--Latitude 37°18'20", Longitude 80°51'00", North American Datum of 1927,
                    Giles County, VA, Hydrologic Unit 05050002.
DRAINAGE AREA.--223 square miles.
PERIOD OF RECORD.--July 1908 to September 1916, March 1938 to September 1995, October 1996 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 03175500 plot. WOLF CREEK NEAR NARROWS, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 08/28/2008 is 38.43 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


                03175500     WOLF CREEK NEAR NARROWS, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
20.3
45.1
77.7
175
333
562
864
1,120
2,980
 
76
February
31.9
112
141
232
420
701
1,040
1,310
4,170
 
76
March
48.7
160
220
335
509
768
1,160
1,480
3,180
 
76
April
81.6
147
182
264
396
644
948
1,270
3,080
 
76
May
55.7
104
124
173
271
471
778
1,010
2,410
 
77
June
38.6
56.2
66.4
91.4
152
268
487
684
2,090
 
77
July
26.9
37.4
45.7
63.3
92.9
144
248
403
3,220
 
77
August
19.6
31.3
35.4
46.9
72.1
122
231
391
1,550
 
78
September
16.0
25.6
28.9
36.9
53.7
79.3
139
225
1,660
 
78
October
18.0
25.9
29.6
36.9
55.3
109
240
371
1,680
 
75
November
20.7
31.7
35.3
46.6
81.4
189
427
558
2,490
 
76
December
25.1
35.9
44.4
81.4
171
414
699
871
1,850
 
76
 
       

The current 7-day running-average value for 08/28/2008 is 38.43 cubic feet per second.

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

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