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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03165000 plot. CHESTNUT CREEK AT GALAX, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 08/28/2008 is 35.86 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


                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
22.6
30.8
33.2
50.0
65.9
82.2
103
117
173
 
63
February
23.8
34.5
43.7
56.3
73.2
88.7
112
126
187
 
63
March
33.1
44.3
51.2
61.9
78.7
103
131
143
325
 
63
April
33.9
44.8
48.1
58.2
81.3
113
150
169
333
 
63
May
26.2
37.8
43.2
54.2
70.9
95.2
123
147
215
 
63
June
19.4
30.0
37.0
49.2
65.5
84.7
109
148
229
 
63
July
18.6
25.3
28.2
37.4
51.6
67.1
94.4
136
180
 
63
August
15.1
21.8
25.9
33.1
45.5
58.8
79.0
98.4
164
 
63
September
15.0
23.2
25.2
32.0
41.4
56.0
87.4
121
269
 
63
October
15.8
22.3
25.1
32.4
43.9
68.5
116
152
335
 
62
November
19.6
25.6
29.7
36.3
48.6
72.9
111
140
241
 
63
December
24.1
28.4
31.1
46.2
61.2
81.6
108
123
219
 
63
 
       

The current 28-day running-average value for 08/28/2008 is 35.86 cubic feet per second.

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

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