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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 2015.
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 03/22/2017 is 36.14 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
28.1
32.2
44.9
62.3
84.1
118
144
448
 
71
February
19.7
34.1
39.7
51.0
68.1
88.0
126
158
321
 
71
March
27.6
40.7
47.0
58.1
74.7
101
147
197
624
 
71
April
26.4
39.9
43.9
55.1
75.1
101
159
209
505
 
71
May
22.0
33.9
40.0
49.9
66.6
88.9
122
146
353
 
71
June
15.6
26.9
30.4
40.8
57.7
77.1
112
152
557
 
71
July
17.3
23.1
26.0
34.9
45.3
60.3
88.1
110
565
 
71
August
11.0
19.1
22.3
30.4
40.9
55.3
81.4
119
399
 
71
September
12.7
20.5
23.7
29.7
37.6
50.6
96.0
134
455
 
71
October
15.0
20.1
23.7
32.1
42.1
63.0
105
158
464
 
70
November
19.4
26.7
29.1
35.4
47.9
68.8
112
149
463
 
71
December
18.7
27.4
30.7
41.9
59.3
81.7
114
149
290
 
71
 
       

The current 7-day running-average value for 03/22/2017 is 36.14 cubic feet per second.

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

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