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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 2015.
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 03/22/2017 is 39.07 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
31.0
35.3
49.6
66.0
84.8
107
122
173
 
71
February
23.8
34.8
41.3
55.4
72.8
88.5
114
132
187
 
71
March
33.1
44.3
50.6
60.8
78.1
102
131
143
325
 
71
April
33.9
45.4
48.3
59.9
81.1
113
146
166
333
 
71
May
26.2
38.5
44.6
55.6
72.8
96.6
128
148
215
 
71
June
19.4
30.3
37.6
49.1
65.7
85.7
115
155
229
 
71
July
18.6
25.7
28.9
38.4
50.0
66.8
101
141
334
 
71
August
15.1
21.8
26.3
33.1
44.8
58.8
81.1
107
283
 
71
September
15.0
23.6
25.5
32.5
41.6
56.1
88.8
123
269
 
71
October
15.8
22.3
25.4
33.4
44.5
65.4
105
149
335
 
70
November
19.6
26.6
30.2
36.3
49.3
72.2
108
137
241
 
71
December
24.1
28.5
31.4
46.1
61.5
83.7
109
126
219
 
71
 
       

The current 28-day running-average value for 03/22/2017 is 39.07 cubic feet per second.

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

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