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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-Day Average Streamflow
 
03165000 CHESTNUT CREEK AT GALAX, VA
LOCATION.--Latitude 36°38'45", Longitude 80°55'10", North American Datum of 1927,
                    Galax City, VA, Hydrologic Unit 05050001.
DRAINAGE AREA.--39.4 square miles.
PERIOD OF RECORD.--September 1944 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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03165000 plot. CHESTNUT CREEK AT GALAX, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 08/28/2008 is 51.79 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


                03165000     CHESTNUT CREEK AT GALAX, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
21.6
28.6
33.2
46.9
64.0
84.4
108
132
270
 
63
February
22.1
33.8
42.9
55.9
71.1
90.6
122
146
256
 
63
March
28.8
40.9
48.6
60.5
77.5
105
146
169
436
 
63
April
27.9
41.3
45.1
55.5
77.0
110
149
205
445
 
63
May
24.9
35.2
41.0
51.1
67.4
91.1
118
133
298
 
63
June
17.0
28.1
31.9
44.8
61.2
81.5
110
154
348
 
63
July
17.2
23.6
26.8
35.9
47.2
63.2
89.6
104
219
 
63
August
13.4
19.9
23.6
32.5
42.7
57.7
80.3
114
231
 
63
September
13.2
21.4
25.0
30.5
38.5
51.0
91.0
118
443
 
63
October
15.3
21.1
24.9
32.1
43.5
66.1
111
168
383
 
62
November
19.9
26.1
29.1
36.2
47.9
71.2
121
146
288
 
63
December
19.9
27.5
30.8
44.9
62.1
81.6
105
131
294
 
63
 
       

The current 14-day running-average value for 08/28/2008 is 51.79 cubic feet per second.

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

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