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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 2015.
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 03/22/2017 is 496.86 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
47.0
85.5
178
331
556
862
1,130
2,980
 
84
February
31.9
115
143
235
406
685
1,030
1,310
4,170
 
84
March
48.7
169
224
339
511
776
1,220
1,570
3,810
 
84
April
81.6
151
187
266
402
646
957
1,280
3,080
 
84
May
55.7
105
126
179
274
466
762
1,010
2,410
 
85
June
38.6
55.8
65.3
89.1
149
261
473
669
2,090
 
85
July
26.9
37.9
45.6
61.9
90.0
141
239
377
3,220
 
85
August
19.6
31.0
34.8
46.4
70.3
121
221
368
1,550
 
86
September
16.0
25.6
28.7
36.7
53.2
78.9
140
222
1,660
 
86
October
18.0
24.9
29.0
36.6
54.4
108
239
381
1,680
 
83
November
20.7
31.6
35.3
46.4
80.7
187
416
552
2,490
 
84
December
25.1
36.5
45.3
84.0
179
415
698
880
1,850
 
84
 
       

The current 7-day running-average value for 03/22/2017 is 496.86 cubic feet per second.

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

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