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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03175500 plot. WOLF CREEK NEAR NARROWS, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 08/27/2008 is 35 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


                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
29.8
55.0
78.8
187
368
520
704
818
1,280
 
76
February
49.2
122
173
317
458
602
810
924
2,070
 
76
March
114
222
285
381
548
747
957
1,080
2,090
 
76
April
114
206
266
387
523
751
915
1,090
1,820
 
76
May
90.0
139
171
257
384
534
711
839
1,760
 
77
June
49.0
79.9
94.5
139
227
389
535
626
1,160
 
77
July
32.9
47.4
54.8
78.0
122
199
350
439
1,060
 
77
August
25.9
39.4
43.4
56.1
85.6
150
215
351
1,330
 
77
September
22.9
30.9
33.5
43.1
62.3
103
164
242
616
 
78
October
19.8
27.4
30.6
39.2
57.2
96.5
218
330
966
 
75
November
19.6
31.0
35.5
47.1
76.8
198
348
428
833
 
76
December
27.6
38.2
43.5
78.4
162
374
565
685
1,030
 
76
 
       

The current 28-day running-average value for 08/27/2008 is 35 cubic feet per second.

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

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