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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03165000 plot. CHESTNUT CREEK AT GALAX, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 08/28/2008 is 91 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


                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
21.0
27.7
31.3
45.6
62.4
82.9
116
138
448
 
63
February
19.7
34.1
41.1
52.7
68.9
88.7
129
160
321
 
63
March
27.6
40.4
46.6
57.7
75.0
103
147
200
624
 
63
April
26.4
39.4
43.4
53.9
74.1
102
160
209
505
 
63
May
22.0
33.4
39.0
48.7
65.0
87.3
120
142
353
 
63
June
15.6
26.7
30.0
40.7
58.1
77.1
109
147
557
 
63
July
17.3
22.9
25.7
34.7
45.6
61.4
86.9
105
344
 
63
August
12.6
19.1
22.1
30.7
40.9
54.3
78.3
102
399
 
63
September
12.7
20.1
23.0
29.6
37.4
50.0
93.2
137
455
 
63
October
15.0
20.1
23.6
31.6
42.4
62.9
111
163
464
 
62
November
19.4
26.4
28.9
35.0
48.1
69.9
115
154
463
 
63
December
18.7
27.0
30.0
42.1
59.1
79.6
107
138
290
 
63
 
       

The current 7-day running-average value for 08/28/2008 is 91 cubic feet per second.

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

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